Finding the Fourth Proportional to 99,024.04, 148,499.10 and 39,839.72

Step by Step Solution

1. Step 1: Write the proportion equation
   99,024.04 : 148,499.10 = 39,839.72 : x
2. Step 2: Convert to fraction form
   99,024.04/148,499.10 = 39,839.72/x
3. Step 3: Cross multiply
   99,024.04x = 148,499.10 × 39,839.72
4. Step 4: Simplify right side
   99,024.04x = 5,916,162,564.25
5. Step 5: Solve for x
   x = 5,916,162,564.25/99,024.04
6. Step 6: Final answer
   x = 59,744.71