Finding the Fourth Proportional to 8,117.46, 12,167.28 and 5,302.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,117.46 : 12,167.28 = 5,302.82 : x
2. Step 2: Convert to fraction form
   8,117.46/12,167.28 = 5,302.82/x
3. Step 3: Cross multiply
   8,117.46x = 12,167.28 × 5,302.82
4. Step 4: Simplify right side
   8,117.46x = 64,520,926.15
5. Step 5: Solve for x
   x = 64,520,926.15/8,117.46
6. Step 6: Final answer
   x = 7,948.41