Finding the Fourth Proportional to 2,124.78, 3,182.52 and 1,506.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.78 : 3,182.52 = 1,506.61 : x
2. Step 2: Convert to fraction form
   2,124.78/3,182.52 = 1,506.61/x
3. Step 3: Cross multiply
   2,124.78x = 3,182.52 × 1,506.61
4. Step 4: Simplify right side
   2,124.78x = 4,794,817.85
5. Step 5: Solve for x
   x = 4,794,817.85/2,124.78
6. Step 6: Final answer
   x = 2,256.62