Finding the Fourth Proportional to 2,176.55, 3,265.62 and 1,007.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.55 : 3,265.62 = 1,007.12 : x
2. Step 2: Convert to fraction form
   2,176.55/3,265.62 = 1,007.12/x
3. Step 3: Cross multiply
   2,176.55x = 3,265.62 × 1,007.12
4. Step 4: Simplify right side
   2,176.55x = 3,288,854.89
5. Step 5: Solve for x
   x = 3,288,854.89/2,176.55
6. Step 6: Final answer
   x = 1,511.04