Finding the Fourth Proportional to 123,561.72, 185,287.50 and 39,306.06

Step by Step Solution

1. Step 1: Write the proportion equation
   123,561.72 : 185,287.50 = 39,306.06 : x
2. Step 2: Convert to fraction form
   123,561.72/185,287.50 = 39,306.06/x
3. Step 3: Cross multiply
   123,561.72x = 185,287.50 × 39,306.06
4. Step 4: Simplify right side
   123,561.72x = 7,282,921,592.25
5. Step 5: Solve for x
   x = 7,282,921,592.25/123,561.72
6. Step 6: Final answer
   x = 58,941.57