Finding the Fourth Proportional to 2,585.52, 3,875.58 and 1,284.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.52 : 3,875.58 = 1,284.12 : x
2. Step 2: Convert to fraction form
   2,585.52/3,875.58 = 1,284.12/x
3. Step 3: Cross multiply
   2,585.52x = 3,875.58 × 1,284.12
4. Step 4: Simplify right side
   2,585.52x = 4,976,709.79
5. Step 5: Solve for x
   x = 4,976,709.79/2,585.52
6. Step 6: Final answer
   x = 1,924.84