Finding the Fourth Proportional to 62,354.42, 85,981.01 and 42,176.31

Step by Step Solution

1. Step 1: Write the proportion equation
   62,354.42 : 85,981.01 = 42,176.31 : x
2. Step 2: Convert to fraction form
   62,354.42/85,981.01 = 42,176.31/x
3. Step 3: Cross multiply
   62,354.42x = 85,981.01 × 42,176.31
4. Step 4: Simplify right side
   62,354.42x = 3,626,361,731.87
5. Step 5: Solve for x
   x = 3,626,361,731.87/62,354.42
6. Step 6: Final answer
   x = 58,157.25