Finding the Fourth Proportional to 2,360.52, 3,257.55 and 1,312.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,360.52 : 3,257.55 = 1,312.61 : x
2. Step 2: Convert to fraction form
   2,360.52/3,257.55 = 1,312.61/x
3. Step 3: Cross multiply
   2,360.52x = 3,257.55 × 1,312.61
4. Step 4: Simplify right side
   2,360.52x = 4,275,876.42
5. Step 5: Solve for x
   x = 4,275,876.42/2,360.52
6. Step 6: Final answer
   x = 1,811.41