Finding the Fourth Proportional to 14,639.32, 21,959.96 and 5,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,639.32 : 21,959.96 = 5,150.50 : x
2. Step 2: Convert to fraction form
   14,639.32/21,959.96 = 5,150.50/x
3. Step 3: Cross multiply
   14,639.32x = 21,959.96 × 5,150.50
4. Step 4: Simplify right side
   14,639.32x = 113,104,773.98
5. Step 5: Solve for x
   x = 113,104,773.98/14,639.32
6. Step 6: Final answer
   x = 7,726.09