Finding the Fourth Proportional to 2,521.92, 3,783.24 and 1,222.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.92 : 3,783.24 = 1,222.50 : x
2. Step 2: Convert to fraction form
   2,521.92/3,783.24 = 1,222.50/x
3. Step 3: Cross multiply
   2,521.92x = 3,783.24 × 1,222.50
4. Step 4: Simplify right side
   2,521.92x = 4,625,010.90
5. Step 5: Solve for x
   x = 4,625,010.90/2,521.92
6. Step 6: Final answer
   x = 1,833.92