Finding the Fourth Proportional to 123,816.16, 185,715.15 and 39,553.69

Step by Step Solution

1. Step 1: Write the proportion equation
   123,816.16 : 185,715.15 = 39,553.69 : x
2. Step 2: Convert to fraction form
   123,816.16/185,715.15 = 39,553.69/x
3. Step 3: Cross multiply
   123,816.16x = 185,715.15 × 39,553.69
4. Step 4: Simplify right side
   123,816.16x = 7,345,719,703.55
5. Step 5: Solve for x
   x = 7,345,719,703.55/123,816.16
6. Step 6: Final answer
   x = 59,327.63