Finding the Fourth Proportional to 102,607,867,727.31, 153,937,437,294.52 and 72,413,960,593.31

Step by Step Solution

1. Step 1: Write the proportion equation
   102,607,867,727.31 : 153,937,437,294.52 = 72,413,960,593.31 : x
2. Step 2: Convert to fraction form
   102,607,867,727.31/153,937,437,294.52 = 72,413,960,593.31/x
3. Step 3: Cross multiply
   102,607,867,727.31x = 153,937,437,294.52 × 72,413,960,593.31
4. Step 4: Simplify right side
   102,607,867,727.31x = 11,147,219,518,080,499,580,928
5. Step 5: Solve for x
   x = 11,147,219,518,080,499,580,928/102,607,867,727.31
6. Step 6: Final answer
   x = 108,639,032,902.48