Finding the Fourth Proportional to 91,969,285.31, 137,729,827.71 and 60,825,969.26

Step by Step Solution

1. Step 1: Write the proportion equation
   91,969,285.31 : 137,729,827.71 = 60,825,969.26 : x
2. Step 2: Convert to fraction form
   91,969,285.31/137,729,827.71 = 60,825,969.26/x
3. Step 3: Cross multiply
   91,969,285.31x = 137,729,827.71 × 60,825,969.26
4. Step 4: Simplify right side
   91,969,285.31x = 8,377,550,265,784,908
5. Step 5: Solve for x
   x = 8,377,550,265,784,908/91,969,285.31
6. Step 6: Final answer
   x = 91,090,740.11