Finding the Fourth Proportional to 123,517.30, 185,134.81 and 56,100.74

Step by Step Solution

1. Step 1: Write the proportion equation
   123,517.30 : 185,134.81 = 56,100.74 : x
2. Step 2: Convert to fraction form
   123,517.30/185,134.81 = 56,100.74/x
3. Step 3: Cross multiply
   123,517.30x = 185,134.81 × 56,100.74
4. Step 4: Simplify right side
   123,517.30x = 10,386,200,163.34
5. Step 5: Solve for x
   x = 10,386,200,163.34/123,517.30
6. Step 6: Final answer
   x = 84,087.01