Finding the Fourth Proportional to 123,559.56, 185,229.72 and 60,345

Step by Step Solution

1. Step 1: Write the proportion equation
   123,559.56 : 185,229.72 = 60,345 : x
2. Step 2: Convert to fraction form
   123,559.56/185,229.72 = 60,345/x
3. Step 3: Cross multiply
   123,559.56x = 185,229.72 × 60,345
4. Step 4: Simplify right side
   123,559.56x = 11,177,687,453.40
5. Step 5: Solve for x
   x = 11,177,687,453.40/123,559.56
6. Step 6: Final answer
   x = 90,463.96