Finding the Fourth Proportional to 72,356,673.48, 99,852,839.96 and 39,316,922.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,356,673.48 : 99,852,839.96 = 39,316,922.52 : x
2. Step 2: Convert to fraction form
   72,356,673.48/99,852,839.96 = 39,316,922.52/x
3. Step 3: Cross multiply
   72,356,673.48x = 99,852,839.96 × 39,316,922.52
4. Step 4: Simplify right side
   72,356,673.48x = 3,925,906,372,109,280
5. Step 5: Solve for x
   x = 3,925,906,372,109,280/72,356,673.48
6. Step 6: Final answer
   x = 54,257,695.71