Finding the Fourth Proportional to 8,426.32, 12,641.52 and 2,583

Step by Step Solution

1. Step 1: Write the proportion equation
   8,426.32 : 12,641.52 = 2,583 : x
2. Step 2: Convert to fraction form
   8,426.32/12,641.52 = 2,583/x
3. Step 3: Cross multiply
   8,426.32x = 12,641.52 × 2,583
4. Step 4: Simplify right side
   8,426.32x = 32,653,046.16
5. Step 5: Solve for x
   x = 32,653,046.16/8,426.32
6. Step 6: Final answer
   x = 3,875.13