Finding the Fourth Proportional to 9,726.14, 14,565.82 and 5,553.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,726.14 : 14,565.82 = 5,553.50 : x
2. Step 2: Convert to fraction form
   9,726.14/14,565.82 = 5,553.50/x
3. Step 3: Cross multiply
   9,726.14x = 14,565.82 × 5,553.50
4. Step 4: Simplify right side
   9,726.14x = 80,891,281.37
5. Step 5: Solve for x
   x = 80,891,281.37/9,726.14
6. Step 6: Final answer
   x = 8,316.89