Finding the Fourth Proportional to 7,132.38, 10,689.13 and 5,164.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,132.38 : 10,689.13 = 5,164.59 : x
2. Step 2: Convert to fraction form
   7,132.38/10,689.13 = 5,164.59/x
3. Step 3: Cross multiply
   7,132.38x = 10,689.13 × 5,164.59
4. Step 4: Simplify right side
   7,132.38x = 55,204,973.91
5. Step 5: Solve for x
   x = 55,204,973.91/7,132.38
6. Step 6: Final answer
   x = 7,740.05