Finding the Fourth Proportional to 14,434.76, 21,672.04 and 9,981.49

Step by Step Solution

1. Step 1: Write the proportion equation
   14,434.76 : 21,672.04 = 9,981.49 : x
2. Step 2: Convert to fraction form
   14,434.76/21,672.04 = 9,981.49/x
3. Step 3: Cross multiply
   14,434.76x = 21,672.04 × 9,981.49
4. Step 4: Simplify right side
   14,434.76x = 216,319,171.41
5. Step 5: Solve for x
   x = 216,319,171.41/14,434.76
6. Step 6: Final answer
   x = 14,985.99