Finding the Fourth Proportional to 72,046,590.24, 99,424,151.76 and 39,006,830.37

Step by Step Solution

1. Step 1: Write the proportion equation
   72,046,590.24 : 99,424,151.76 = 39,006,830.37 : x
2. Step 2: Convert to fraction form
   72,046,590.24/99,424,151.76 = 39,006,830.37/x
3. Step 3: Cross multiply
   72,046,590.24x = 99,424,151.76 × 39,006,830.37
4. Step 4: Simplify right side
   72,046,590.24x = 3,878,221,022,383,457
5. Step 5: Solve for x
   x = 3,878,221,022,383,457/72,046,590.24
6. Step 6: Final answer
   x = 53,829,348.61