Finding the Fourth Proportional to 8,800.14, 12,141.78 and 5,658.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,800.14 : 12,141.78 = 5,658.15 : x
2. Step 2: Convert to fraction form
   8,800.14/12,141.78 = 5,658.15/x
3. Step 3: Cross multiply
   8,800.14x = 12,141.78 × 5,658.15
4. Step 4: Simplify right side
   8,800.14x = 68,700,012.51
5. Step 5: Solve for x
   x = 68,700,012.51/8,800.14
6. Step 6: Final answer
   x = 7,806.70