Finding the Fourth Proportional to 8,697.20, 13,046.34 and 2,457.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,697.20 : 13,046.34 = 2,457.69 : x
2. Step 2: Convert to fraction form
   8,697.20/13,046.34 = 2,457.69/x
3. Step 3: Cross multiply
   8,697.20x = 13,046.34 × 2,457.69
4. Step 4: Simplify right side
   8,697.20x = 32,063,781.83
5. Step 5: Solve for x
   x = 32,063,781.83/8,697.20
6. Step 6: Final answer
   x = 3,686.68