Finding the Fourth Proportional to 2,221.83, 3,065.85 and 1,325.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221.83 : 3,065.85 = 1,325.57 : x
2. Step 2: Convert to fraction form
   2,221.83/3,065.85 = 1,325.57/x
3. Step 3: Cross multiply
   2,221.83x = 3,065.85 × 1,325.57
4. Step 4: Simplify right side
   2,221.83x = 4,063,983.46
5. Step 5: Solve for x
   x = 4,063,983.46/2,221.83
6. Step 6: Final answer
   x = 1,829.12