Finding the Fourth Proportional to 7,496.40, 10,344.88 and 4,139.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,496.40 : 10,344.88 = 4,139.16 : x
2. Step 2: Convert to fraction form
   7,496.40/10,344.88 = 4,139.16/x
3. Step 3: Cross multiply
   7,496.40x = 10,344.88 × 4,139.16
4. Step 4: Simplify right side
   7,496.40x = 42,819,113.50
5. Step 5: Solve for x
   x = 42,819,113.50/7,496.40
6. Step 6: Final answer
   x = 5,711.96