Finding the Fourth Proportional to 31,024.69, 42,814.10 and 16,877.57

Step by Step Solution

1. Step 1: Write the proportion equation
   31,024.69 : 42,814.10 = 16,877.57 : x
2. Step 2: Convert to fraction form
   31,024.69/42,814.10 = 16,877.57/x
3. Step 3: Cross multiply
   31,024.69x = 42,814.10 × 16,877.57
4. Step 4: Simplify right side
   31,024.69x = 722,597,797.86
5. Step 5: Solve for x
   x = 722,597,797.86/31,024.69
6. Step 6: Final answer
   x = 23,291.06