Finding the Fourth Proportional to 21,456.10, 32,116.71 and 14,862.29

Step by Step Solution

1. Step 1: Write the proportion equation
   21,456.10 : 32,116.71 = 14,862.29 : x
2. Step 2: Convert to fraction form
   21,456.10/32,116.71 = 14,862.29/x
3. Step 3: Cross multiply
   21,456.10x = 32,116.71 × 14,862.29
4. Step 4: Simplify right side
   21,456.10x = 477,327,857.87
5. Step 5: Solve for x
   x = 477,327,857.87/21,456.10
6. Step 6: Final answer
   x = 22,246.73