Finding the Fourth Proportional to 14,442.71, 19,932.27 and 8,776.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,442.71 : 19,932.27 = 8,776.15 : x
2. Step 2: Convert to fraction form
   14,442.71/19,932.27 = 8,776.15/x
3. Step 3: Cross multiply
   14,442.71x = 19,932.27 × 8,776.15
4. Step 4: Simplify right side
   14,442.71x = 174,928,591.36
5. Step 5: Solve for x
   x = 174,928,591.36/14,442.71
6. Step 6: Final answer
   x = 12,111.90