Finding the Fourth Proportional to 11,825.59, 17,730.18 and 5,580.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,825.59 : 17,730.18 = 5,580.34 : x
2. Step 2: Convert to fraction form
   11,825.59/17,730.18 = 5,580.34/x
3. Step 3: Cross multiply
   11,825.59x = 17,730.18 × 5,580.34
4. Step 4: Simplify right side
   11,825.59x = 98,940,344.01
5. Step 5: Solve for x
   x = 98,940,344.01/11,825.59
6. Step 6: Final answer
   x = 8,366.63