Finding the Fourth Proportional to 8,150.77, 11,248.50 and 5,165.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,150.77 : 11,248.50 = 5,165.52 : x
2. Step 2: Convert to fraction form
   8,150.77/11,248.50 = 5,165.52/x
3. Step 3: Cross multiply
   8,150.77x = 11,248.50 × 5,165.52
4. Step 4: Simplify right side
   8,150.77x = 58,104,351.72
5. Step 5: Solve for x
   x = 58,104,351.72/8,150.77
6. Step 6: Final answer
   x = 7,128.69