Finding the Fourth Proportional to 8,786.24, 12,123.84 and 5,059.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,786.24 : 12,123.84 = 5,059.52 : x
2. Step 2: Convert to fraction form
   8,786.24/12,123.84 = 5,059.52/x
3. Step 3: Cross multiply
   8,786.24x = 12,123.84 × 5,059.52
4. Step 4: Simplify right side
   8,786.24x = 61,340,810.96
5. Step 5: Solve for x
   x = 61,340,810.96/8,786.24
6. Step 6: Final answer
   x = 6,981.46