Finding the Fourth Proportional to 123,367.42, 185,023.45 and 56,743.55

Step by Step Solution

1. Step 1: Write the proportion equation
   123,367.42 : 185,023.45 = 56,743.55 : x
2. Step 2: Convert to fraction form
   123,367.42/185,023.45 = 56,743.55/x
3. Step 3: Cross multiply
   123,367.42x = 185,023.45 × 56,743.55
4. Step 4: Simplify right side
   123,367.42x = 10,498,887,386.25
5. Step 5: Solve for x
   x = 10,498,887,386.25/123,367.42
6. Step 6: Final answer
   x = 85,102.59