Finding the Fourth Proportional to 2,651.52, 3,977.72 and 896.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.52 : 3,977.72 = 896.69 : x
2. Step 2: Convert to fraction form
   2,651.52/3,977.72 = 896.69/x
3. Step 3: Cross multiply
   2,651.52x = 3,977.72 × 896.69
4. Step 4: Simplify right side
   2,651.52x = 3,566,781.75
5. Step 5: Solve for x
   x = 3,566,781.75/2,651.52
6. Step 6: Final answer
   x = 1,345.18