Finding the Fourth Proportional to 2,337.76, 3,502.32 and 1,686.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337.76 : 3,502.32 = 1,686.88 : x
2. Step 2: Convert to fraction form
   2,337.76/3,502.32 = 1,686.88/x
3. Step 3: Cross multiply
   2,337.76x = 3,502.32 × 1,686.88
4. Step 4: Simplify right side
   2,337.76x = 5,907,993.56
5. Step 5: Solve for x
   x = 5,907,993.56/2,337.76
6. Step 6: Final answer
   x = 2,527.20