Finding the Fourth Proportional to 1,869.57, 2,805.72 and 896.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,869.57 : 2,805.72 = 896.34 : x
2. Step 2: Convert to fraction form
   1,869.57/2,805.72 = 896.34/x
3. Step 3: Cross multiply
   1,869.57x = 2,805.72 × 896.34
4. Step 4: Simplify right side
   1,869.57x = 2,514,879.06
5. Step 5: Solve for x
   x = 2,514,879.06/1,869.57
6. Step 6: Final answer
   x = 1,345.16