Finding the Fourth Proportional to 12,425.76, 17,146.73 and 7,119.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,425.76 : 17,146.73 = 7,119.59 : x
2. Step 2: Convert to fraction form
   12,425.76/17,146.73 = 7,119.59/x
3. Step 3: Cross multiply
   12,425.76x = 17,146.73 × 7,119.59
4. Step 4: Simplify right side
   12,425.76x = 122,077,566.11
5. Step 5: Solve for x
   x = 122,077,566.11/12,425.76
6. Step 6: Final answer
   x = 9,824.56