Finding the Fourth Proportional to 7,158.24, 10,729.50 and 3,457.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,158.24 : 10,729.50 = 3,457.86 : x
2. Step 2: Convert to fraction form
   7,158.24/10,729.50 = 3,457.86/x
3. Step 3: Cross multiply
   7,158.24x = 10,729.50 × 3,457.86
4. Step 4: Simplify right side
   7,158.24x = 37,101,108.87
5. Step 5: Solve for x
   x = 37,101,108.87/7,158.24
6. Step 6: Final answer
   x = 5,182.99