Finding the Fourth Proportional to 2,251.83, 3,375.51 and 864.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251.83 : 3,375.51 = 864.10 : x
2. Step 2: Convert to fraction form
   2,251.83/3,375.51 = 864.10/x
3. Step 3: Cross multiply
   2,251.83x = 3,375.51 × 864.10
4. Step 4: Simplify right side
   2,251.83x = 2,916,779.17
5. Step 5: Solve for x
   x = 2,916,779.17/2,251.83
6. Step 6: Final answer
   x = 1,295.29