Finding the Fourth Proportional to 123,367.30, 185,057.56 and 39,133.86

Step by Step Solution

1. Step 1: Write the proportion equation
   123,367.30 : 185,057.56 = 39,133.86 : x
2. Step 2: Convert to fraction form
   123,367.30/185,057.56 = 39,133.86/x
3. Step 3: Cross multiply
   123,367.30x = 185,057.56 × 39,133.86
4. Step 4: Simplify right side
   123,367.30x = 7,242,016,644.98
5. Step 5: Solve for x
   x = 7,242,016,644.98/123,367.30
6. Step 6: Final answer
   x = 58,702.89