Finding the Fourth Proportional to 31,114.71, 42,938.24 and 16,967.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,114.71 : 42,938.24 = 16,967.52 : x
2. Step 2: Convert to fraction form
   31,114.71/42,938.24 = 16,967.52/x
3. Step 3: Cross multiply
   31,114.71x = 42,938.24 × 16,967.52
4. Step 4: Simplify right side
   31,114.71x = 728,555,361.13
5. Step 5: Solve for x
   x = 728,555,361.13/31,114.71
6. Step 6: Final answer
   x = 23,415.14