Finding the Fourth Proportional to 31,078.00, 42,903.89 and 24,257.40

Step by Step Solution

1. Step 1: Write the proportion equation
   31,078.00 : 42,903.89 = 24,257.40 : x
2. Step 2: Convert to fraction form
   31,078.00/42,903.89 = 24,257.40/x
3. Step 3: Cross multiply
   31,078.00x = 42,903.89 × 24,257.40
4. Step 4: Simplify right side
   31,078.00x = 1,040,736,766.52
5. Step 5: Solve for x
   x = 1,040,736,766.52/31,078.00
6. Step 6: Final answer
   x = 33,487.89