Finding the Fourth Proportional to 31,022.18, 42,810.82 and 16,875.14

Step by Step Solution

1. Step 1: Write the proportion equation
   31,022.18 : 42,810.82 = 16,875.14 : x
2. Step 2: Convert to fraction form
   31,022.18/42,810.82 = 16,875.14/x
3. Step 3: Cross multiply
   31,022.18x = 42,810.82 × 16,875.14
4. Step 4: Simplify right side
   31,022.18x = 722,438,581.01
5. Step 5: Solve for x
   x = 722,438,581.01/31,022.18
6. Step 6: Final answer
   x = 23,287.81