Finding the Fourth Proportional to 8,258.24, 12,376.56 and 7,158.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,258.24 : 12,376.56 = 7,158.08 : x
2. Step 2: Convert to fraction form
   8,258.24/12,376.56 = 7,158.08/x
3. Step 3: Cross multiply
   8,258.24x = 12,376.56 × 7,158.08
4. Step 4: Simplify right side
   8,258.24x = 88,592,406.60
5. Step 5: Solve for x
   x = 88,592,406.60/8,258.24
6. Step 6: Final answer
   x = 10,727.76