Finding the Fourth Proportional to 9,166.08, 12,648.42 and 5,389.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,166.08 : 12,648.42 = 5,389.38 : x
2. Step 2: Convert to fraction form
   9,166.08/12,648.42 = 5,389.38/x
3. Step 3: Cross multiply
   9,166.08x = 12,648.42 × 5,389.38
4. Step 4: Simplify right side
   9,166.08x = 68,167,141.78
5. Step 5: Solve for x
   x = 68,167,141.78/9,166.08
6. Step 6: Final answer
   x = 7,436.89