Finding the Fourth Proportional to 12,158.58, 18,232.10 and 5,582.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,158.58 : 18,232.10 = 5,582.82 : x
2. Step 2: Convert to fraction form
   12,158.58/18,232.10 = 5,582.82/x
3. Step 3: Cross multiply
   12,158.58x = 18,232.10 × 5,582.82
4. Step 4: Simplify right side
   12,158.58x = 101,786,532.52
5. Step 5: Solve for x
   x = 101,786,532.52/12,158.58
6. Step 6: Final answer
   x = 8,371.58