Finding the Fourth Proportional to 123,560.50, 185,342.37 and 40,454.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,560.50 : 185,342.37 = 40,454.50 : x
2. Step 2: Convert to fraction form
   123,560.50/185,342.37 = 40,454.50/x
3. Step 3: Cross multiply
   123,560.50x = 185,342.37 × 40,454.50
4. Step 4: Simplify right side
   123,560.50x = 7,497,932,907.17
5. Step 5: Solve for x
   x = 7,497,932,907.17/123,560.50
6. Step 6: Final answer
   x = 60,682.28