Finding the Fourth Proportional to 62,148.78, 85,797.09 and 42,111.54

Step by Step Solution

1. Step 1: Write the proportion equation
   62,148.78 : 85,797.09 = 42,111.54 : x
2. Step 2: Convert to fraction form
   62,148.78/85,797.09 = 42,111.54/x
3. Step 3: Cross multiply
   62,148.78x = 85,797.09 × 42,111.54
4. Step 4: Simplify right side
   62,148.78x = 3,613,047,587.42
5. Step 5: Solve for x
   x = 3,613,047,587.42/62,148.78
6. Step 6: Final answer
   x = 58,135.45