Finding the Fourth Proportional to 2,585.31, 3,876.59 and 1,763.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.31 : 3,876.59 = 1,763.81 : x
2. Step 2: Convert to fraction form
   2,585.31/3,876.59 = 1,763.81/x
3. Step 3: Cross multiply
   2,585.31x = 3,876.59 × 1,763.81
4. Step 4: Simplify right side
   2,585.31x = 6,837,568.21
5. Step 5: Solve for x
   x = 6,837,568.21/2,585.31
6. Step 6: Final answer
   x = 2,644.78