Finding the Fourth Proportional to 2,148.52, 3,225.50 and 1,787.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.52 : 3,225.50 = 1,787.72 : x
2. Step 2: Convert to fraction form
   2,148.52/3,225.50 = 1,787.72/x
3. Step 3: Cross multiply
   2,148.52x = 3,225.50 × 1,787.72
4. Step 4: Simplify right side
   2,148.52x = 5,766,290.86
5. Step 5: Solve for x
   x = 5,766,290.86/2,148.52
6. Step 6: Final answer
   x = 2,683.84