Finding the Fourth Proportional to 8,982.32, 12,386.04 and 5,255.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,982.32 : 12,386.04 = 5,255.60 : x
2. Step 2: Convert to fraction form
   8,982.32/12,386.04 = 5,255.60/x
3. Step 3: Cross multiply
   8,982.32x = 12,386.04 × 5,255.60
4. Step 4: Simplify right side
   8,982.32x = 65,096,071.82
5. Step 5: Solve for x
   x = 65,096,071.82/8,982.32
6. Step 6: Final answer
   x = 7,247.13