Finding the Fourth Proportional to 11,279,201,651.70, 16,919,364,451.86 and 4,292,554,086.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,279,201,651.70 : 16,919,364,451.86 = 4,292,554,086.72 : x
2. Step 2: Convert to fraction form
   11,279,201,651.70/16,919,364,451.86 = 4,292,554,086.72/x
3. Step 3: Cross multiply
   11,279,201,651.70x = 16,919,364,451.86 × 4,292,554,086.72
4. Step 4: Simplify right side
   11,279,201,651.70x = 72,627,287,022,536,736,768
5. Step 5: Solve for x
   x = 72,627,287,022,536,736,768/11,279,201,651.70
6. Step 6: Final answer
   x = 6,439,045,002.05