Finding the Fourth Proportional to 31,114.31, 42,937.61 and 16,967.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,114.31 : 42,937.61 = 16,967.16 : x
2. Step 2: Convert to fraction form
   31,114.31/42,937.61 = 16,967.16/x
3. Step 3: Cross multiply
   31,114.31x = 42,937.61 × 16,967.16
4. Step 4: Simplify right side
   31,114.31x = 728,529,214.05
5. Step 5: Solve for x
   x = 728,529,214.05/31,114.31
6. Step 6: Final answer
   x = 23,414.61