Finding the Fourth Proportional to 15,441.62, 23,155.59 and 5,580.99

Step by Step Solution

1. Step 1: Write the proportion equation
   15,441.62 : 23,155.59 = 5,580.99 : x
2. Step 2: Convert to fraction form
   15,441.62/23,155.59 = 5,580.99/x
3. Step 3: Cross multiply
   15,441.62x = 23,155.59 × 5,580.99
4. Step 4: Simplify right side
   15,441.62x = 129,231,116.23
5. Step 5: Solve for x
   x = 129,231,116.23/15,441.62
6. Step 6: Final answer
   x = 8,369.02