Finding the Fourth Proportional to 2,148.66, 3,223.89 and 1,282.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.66 : 3,223.89 = 1,282.50 : x
2. Step 2: Convert to fraction form
   2,148.66/3,223.89 = 1,282.50/x
3. Step 3: Cross multiply
   2,148.66x = 3,223.89 × 1,282.50
4. Step 4: Simplify right side
   2,148.66x = 4,134,638.93
5. Step 5: Solve for x
   x = 4,134,638.93/2,148.66
6. Step 6: Final answer
   x = 1,924.29