Finding the Fourth Proportional to 2,007.74, 3,007.24 and 1,657.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.74 : 3,007.24 = 1,657.15 : x
2. Step 2: Convert to fraction form
   2,007.74/3,007.24 = 1,657.15/x
3. Step 3: Cross multiply
   2,007.74x = 3,007.24 × 1,657.15
4. Step 4: Simplify right side
   2,007.74x = 4,983,447.77
5. Step 5: Solve for x
   x = 4,983,447.77/2,007.74
6. Step 6: Final answer
   x = 2,482.12