Finding the Fourth Proportional to 72,064,990.77, 99,449,783.16 and 39,025,296.86

Step by Step Solution

1. Step 1: Write the proportion equation
   72,064,990.77 : 99,449,783.16 = 39,025,296.86 : x
2. Step 2: Convert to fraction form
   72,064,990.77/99,449,783.16 = 39,025,296.86/x
3. Step 3: Cross multiply
   72,064,990.77x = 99,449,783.16 × 39,025,296.86
4. Step 4: Simplify right side
   72,064,990.77x = 3,881,057,309,838,035
5. Step 5: Solve for x
   x = 3,881,057,309,838,035/72,064,990.77
6. Step 6: Final answer
   x = 53,854,961.59