Finding the Fourth Proportional to 8,798.82, 12,141.27 and 5,165.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,798.82 : 12,141.27 = 5,165.16 : x
2. Step 2: Convert to fraction form
   8,798.82/12,141.27 = 5,165.16/x
3. Step 3: Cross multiply
   8,798.82x = 12,141.27 × 5,165.16
4. Step 4: Simplify right side
   8,798.82x = 62,711,602.15
5. Step 5: Solve for x
   x = 62,711,602.15/8,798.82
6. Step 6: Final answer
   x = 7,127.27