Finding the Fourth Proportional to 2,322.57, 3,476.33 and 1,490.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,322.57 : 3,476.33 = 1,490.15 : x
2. Step 2: Convert to fraction form
   2,322.57/3,476.33 = 1,490.15/x
3. Step 3: Cross multiply
   2,322.57x = 3,476.33 × 1,490.15
4. Step 4: Simplify right side
   2,322.57x = 5,180,253.15
5. Step 5: Solve for x
   x = 5,180,253.15/2,322.57
6. Step 6: Final answer
   x = 2,230.40