Finding the Fourth Proportional to 9,624.52, 14,441.57 and 5,405.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,624.52 : 14,441.57 = 5,405.15 : x
2. Step 2: Convert to fraction form
   9,624.52/14,441.57 = 5,405.15/x
3. Step 3: Cross multiply
   9,624.52x = 14,441.57 × 5,405.15
4. Step 4: Simplify right side
   9,624.52x = 78,058,825.06
5. Step 5: Solve for x
   x = 78,058,825.06/9,624.52
6. Step 6: Final answer
   x = 8,110.42