Finding the Fourth Proportional to 14,461.20, 21,710.03 and 12,499.29

Step by Step Solution

1. Step 1: Write the proportion equation
   14,461.20 : 21,710.03 = 12,499.29 : x
2. Step 2: Convert to fraction form
   14,461.20/21,710.03 = 12,499.29/x
3. Step 3: Cross multiply
   14,461.20x = 21,710.03 × 12,499.29
4. Step 4: Simplify right side
   14,461.20x = 271,359,960.88
5. Step 5: Solve for x
   x = 271,359,960.88/14,461.20
6. Step 6: Final answer
   x = 18,764.69