Finding the Fourth Proportional to 42,957.68, 59,254.32 and 31,038.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,957.68 : 59,254.32 = 31,038.52 : x
2. Step 2: Convert to fraction form
   42,957.68/59,254.32 = 31,038.52/x
3. Step 3: Cross multiply
   42,957.68x = 59,254.32 × 31,038.52
4. Step 4: Simplify right side
   42,957.68x = 1,839,166,396.41
5. Step 5: Solve for x
   x = 1,839,166,396.41/42,957.68
6. Step 6: Final answer
   x = 42,813.45