Finding the Fourth Proportional to 2,152.76, 3,223.92 and 1,225.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.76 : 3,223.92 = 1,225.50 : x
2. Step 2: Convert to fraction form
   2,152.76/3,223.92 = 1,225.50/x
3. Step 3: Cross multiply
   2,152.76x = 3,223.92 × 1,225.50
4. Step 4: Simplify right side
   2,152.76x = 3,950,913.96
5. Step 5: Solve for x
   x = 3,950,913.96/2,152.76
6. Step 6: Final answer
   x = 1,835.28