Finding the Fourth Proportional to 6,938.18, 9,568.77 and 5,426.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,938.18 : 9,568.77 = 5,426.18 : x
2. Step 2: Convert to fraction form
   6,938.18/9,568.77 = 5,426.18/x
3. Step 3: Cross multiply
   6,938.18x = 9,568.77 × 5,426.18
4. Step 4: Simplify right side
   6,938.18x = 51,921,868.40
5. Step 5: Solve for x
   x = 51,921,868.40/6,938.18
6. Step 6: Final answer
   x = 7,483.50