Finding the Fourth Proportional to 8,832.35, 12,186.17 and 5,475.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,832.35 : 12,186.17 = 5,475.31 : x
2. Step 2: Convert to fraction form
   8,832.35/12,186.17 = 5,475.31/x
3. Step 3: Cross multiply
   8,832.35x = 12,186.17 × 5,475.31
4. Step 4: Simplify right side
   8,832.35x = 66,723,058.46
5. Step 5: Solve for x
   x = 66,723,058.46/8,832.35
6. Step 6: Final answer
   x = 7,554.39