Finding the Fourth Proportional to 31,024.62, 42,812.73 and 16,877.49

Step by Step Solution

1. Step 1: Write the proportion equation
   31,024.62 : 42,812.73 = 16,877.49 : x
2. Step 2: Convert to fraction form
   31,024.62/42,812.73 = 16,877.49/x
3. Step 3: Cross multiply
   31,024.62x = 42,812.73 × 16,877.49
4. Step 4: Simplify right side
   31,024.62x = 722,571,422.45
5. Step 5: Solve for x
   x = 722,571,422.45/31,024.62
6. Step 6: Final answer
   x = 23,290.26