Finding the Fourth Proportional to 62,151.78, 85,801.23 and 42,114.54

Step by Step Solution

1. Step 1: Write the proportion equation
   62,151.78 : 85,801.23 = 42,114.54 : x
2. Step 2: Convert to fraction form
   62,151.78/85,801.23 = 42,114.54/x
3. Step 3: Cross multiply
   62,151.78x = 85,801.23 × 42,114.54
4. Step 4: Simplify right side
   62,151.78x = 3,613,479,332.88
5. Step 5: Solve for x
   x = 3,613,479,332.88/62,151.78
6. Step 6: Final answer
   x = 58,139.60