Finding the Fourth Proportional to 31,022.96, 42,812.01 and 16,875.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,022.96 : 42,812.01 = 16,875.83 : x
2. Step 2: Convert to fraction form
   31,022.96/42,812.01 = 16,875.83/x
3. Step 3: Cross multiply
   31,022.96x = 42,812.01 × 16,875.83
4. Step 4: Simplify right side
   31,022.96x = 722,488,309.75
5. Step 5: Solve for x
   x = 722,488,309.75/31,022.96
6. Step 6: Final answer
   x = 23,288.83