Finding the Fourth Proportional to 8,812.32, 12,162.18 and 5,034.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,812.32 : 12,162.18 = 5,034.78 : x
2. Step 2: Convert to fraction form
   8,812.32/12,162.18 = 5,034.78/x
3. Step 3: Cross multiply
   8,812.32x = 12,162.18 × 5,034.78
4. Step 4: Simplify right side
   8,812.32x = 61,233,900.62
5. Step 5: Solve for x
   x = 61,233,900.62/8,812.32
6. Step 6: Final answer
   x = 6,948.67