Finding the Fourth Proportional to 7,496.31, 10,344.77 and 4,139.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,496.31 : 10,344.77 = 4,139.05 : x
2. Step 2: Convert to fraction form
   7,496.31/10,344.77 = 4,139.05/x
3. Step 3: Cross multiply
   7,496.31x = 10,344.77 × 4,139.05
4. Step 4: Simplify right side
   7,496.31x = 42,817,520.27
5. Step 5: Solve for x
   x = 42,817,520.27/7,496.31
6. Step 6: Final answer
   x = 5,711.81