Finding the Fourth Proportional to 42,942.18, 59,232.92 and 31,023.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,942.18 : 59,232.92 = 31,023.02 : x
2. Step 2: Convert to fraction form
   42,942.18/59,232.92 = 31,023.02/x
3. Step 3: Cross multiply
   42,942.18x = 59,232.92 × 31,023.02
4. Step 4: Simplify right side
   42,942.18x = 1,837,584,061.82
5. Step 5: Solve for x
   x = 1,837,584,061.82/42,942.18
6. Step 6: Final answer
   x = 42,792.05