Finding the Fourth Proportional to 14,123.30, 19,491.89 and 8,154.96

Step by Step Solution

1. Step 1: Write the proportion equation
   14,123.30 : 19,491.89 = 8,154.96 : x
2. Step 2: Convert to fraction form
   14,123.30/19,491.89 = 8,154.96/x
3. Step 3: Cross multiply
   14,123.30x = 19,491.89 × 8,154.96
4. Step 4: Simplify right side
   14,123.30x = 158,955,542.50
5. Step 5: Solve for x
   x = 158,955,542.50/14,123.30
6. Step 6: Final answer
   x = 11,254.84