Finding the Fourth Proportional to 72,114,272.18, 99,517,783.55 and 39,074,495.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,114,272.18 : 99,517,783.55 = 39,074,495.25 : x
2. Step 2: Convert to fraction form
   72,114,272.18/99,517,783.55 = 39,074,495.25/x
3. Step 3: Cross multiply
   72,114,272.18x = 99,517,783.55 × 39,074,495.25
4. Step 4: Simplify right side
   72,114,272.18x = 3,888,607,160,677,734
5. Step 5: Solve for x
   x = 3,888,607,160,677,734/72,114,272.18
6. Step 6: Final answer
   x = 53,922,851.10