Finding the Fourth Proportional to 99,105.47, 148,616.28 and 39,925.25

Step by Step Solution

1. Step 1: Write the proportion equation
   99,105.47 : 148,616.28 = 39,925.25 : x
2. Step 2: Convert to fraction form
   99,105.47/148,616.28 = 39,925.25/x
3. Step 3: Cross multiply
   99,105.47x = 148,616.28 × 39,925.25
4. Step 4: Simplify right side
   99,105.47x = 5,933,541,389.99
5. Step 5: Solve for x
   x = 5,933,541,389.99/99,105.47
6. Step 6: Final answer
   x = 59,870.98