Finding the Fourth Proportional to 2,322.57, 3,203.72 and 1,377.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,322.57 : 3,203.72 = 1,377.72 : x
2. Step 2: Convert to fraction form
   2,322.57/3,203.72 = 1,377.72/x
3. Step 3: Cross multiply
   2,322.57x = 3,203.72 × 1,377.72
4. Step 4: Simplify right side
   2,322.57x = 4,413,829.12
5. Step 5: Solve for x
   x = 4,413,829.12/2,322.57
6. Step 6: Final answer
   x = 1,900.41