Finding the Fourth Proportional to 21,674.52, 29,892.12 and 14,118

Step by Step Solution

1. Step 1: Write the proportion equation
   21,674.52 : 29,892.12 = 14,118 : x
2. Step 2: Convert to fraction form
   21,674.52/29,892.12 = 14,118/x
3. Step 3: Cross multiply
   21,674.52x = 29,892.12 × 14,118
4. Step 4: Simplify right side
   21,674.52x = 422,016,950.16
5. Step 5: Solve for x
   x = 422,016,950.16/21,674.52
6. Step 6: Final answer
   x = 19,470.65