Finding the Fourth Proportional to 5,434.56, 7,499.17 and 4,318.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,434.56 : 7,499.17 = 4,318.20 : x
2. Step 2: Convert to fraction form
   5,434.56/7,499.17 = 4,318.20/x
3. Step 3: Cross multiply
   5,434.56x = 7,499.17 × 4,318.20
4. Step 4: Simplify right side
   5,434.56x = 32,382,915.89
5. Step 5: Solve for x
   x = 32,382,915.89/5,434.56
6. Step 6: Final answer
   x = 5,958.70