Finding the Fourth Proportional to 2,217.92, 3,060.77 and 1,333.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217.92 : 3,060.77 = 1,333.55 : x
2. Step 2: Convert to fraction form
   2,217.92/3,060.77 = 1,333.55/x
3. Step 3: Cross multiply
   2,217.92x = 3,060.77 × 1,333.55
4. Step 4: Simplify right side
   2,217.92x = 4,081,689.83
5. Step 5: Solve for x
   x = 4,081,689.83/2,217.92
6. Step 6: Final answer
   x = 1,840.32