Finding the Fourth Proportional to 2,567.42, 3,542.78 and 1,490.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.42 : 3,542.78 = 1,490.32 : x
2. Step 2: Convert to fraction form
   2,567.42/3,542.78 = 1,490.32/x
3. Step 3: Cross multiply
   2,567.42x = 3,542.78 × 1,490.32
4. Step 4: Simplify right side
   2,567.42x = 5,279,875.89
5. Step 5: Solve for x
   x = 5,279,875.89/2,567.42
6. Step 6: Final answer
   x = 2,056.49