Finding the Fourth Proportional to 12,584,873,909,874, 17,366,941,168,388 and 7,029,279,448,774

Step by Step Solution

1. Step 1: Write the proportion equation
   12,584,873,909,874 : 17,366,941,168,388 = 7,029,279,448,774 : x
2. Step 2: Convert to fraction form
   12,584,873,909,874/17,366,941,168,388 = 7,029,279,448,774/x
3. Step 3: Cross multiply
   12,584,873,909,874x = 17,366,941,168,388 × 7,029,279,448,774
4. Step 4: Simplify right side
   12,584,873,909,874x = 122,077,082,643,016,895,650,856,960
5. Step 5: Solve for x
   x = 122,077,082,643,016,895,650,856,960/12,584,873,909,874
6. Step 6: Final answer
   x = 9,700,302,404,081.79