Finding the Fourth Proportional to 31,024.46, 42,813.47 and 16,877.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,024.46 : 42,813.47 = 16,877.30 : x
2. Step 2: Convert to fraction form
   31,024.46/42,813.47 = 16,877.30/x
3. Step 3: Cross multiply
   31,024.46x = 42,813.47 × 16,877.30
4. Step 4: Simplify right side
   31,024.46x = 722,575,777.23
5. Step 5: Solve for x
   x = 722,575,777.23/31,024.46
6. Step 6: Final answer
   x = 23,290.52