Finding the Fourth Proportional to 8,882.59, 12,258.69 and 5,106.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,882.59 : 12,258.69 = 5,106.37 : x
2. Step 2: Convert to fraction form
   8,882.59/12,258.69 = 5,106.37/x
3. Step 3: Cross multiply
   8,882.59x = 12,258.69 × 5,106.37
4. Step 4: Simplify right side
   8,882.59x = 62,597,406.86
5. Step 5: Solve for x
   x = 62,597,406.86/8,882.59
6. Step 6: Final answer
   x = 7,047.20