Finding the Fourth Proportional to 62,142.57, 85,727.43 and 42,006.51

Step by Step Solution

1. Step 1: Write the proportion equation
   62,142.57 : 85,727.43 = 42,006.51 : x
2. Step 2: Convert to fraction form
   62,142.57/85,727.43 = 42,006.51/x
3. Step 3: Cross multiply
   62,142.57x = 85,727.43 × 42,006.51
4. Step 4: Simplify right side
   62,142.57x = 3,601,110,145.57
5. Step 5: Solve for x
   x = 3,601,110,145.57/62,142.57
6. Step 6: Final answer
   x = 57,949.17