Finding the Fourth Proportional to 14,123.76, 19,499.76 and 9,089.88

Step by Step Solution

1. Step 1: Write the proportion equation
   14,123.76 : 19,499.76 = 9,089.88 : x
2. Step 2: Convert to fraction form
   14,123.76/19,499.76 = 9,089.88/x
3. Step 3: Cross multiply
   14,123.76x = 19,499.76 × 9,089.88
4. Step 4: Simplify right side
   14,123.76x = 177,250,478.43
5. Step 5: Solve for x
   x = 177,250,478.43/14,123.76
6. Step 6: Final answer
   x = 12,549.81