Finding the Fourth Proportional to 99,061.17, 148,628.75 and 39,913.62

Step by Step Solution

1. Step 1: Write the proportion equation
   99,061.17 : 148,628.75 = 39,913.62 : x
2. Step 2: Convert to fraction form
   99,061.17/148,628.75 = 39,913.62/x
3. Step 3: Cross multiply
   99,061.17x = 148,628.75 × 39,913.62
4. Step 4: Simplify right side
   99,061.17x = 5,932,311,249.01
5. Step 5: Solve for x
   x = 5,932,311,249.01/99,061.17
6. Step 6: Final answer
   x = 59,885.33