Finding the Fourth Proportional to 2,567.58, 3,542.85 and 1,505.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.58 : 3,542.85 = 1,505.40 : x
2. Step 2: Convert to fraction form
   2,567.58/3,542.85 = 1,505.40/x
3. Step 3: Cross multiply
   2,567.58x = 3,542.85 × 1,505.40
4. Step 4: Simplify right side
   2,567.58x = 5,333,406.39
5. Step 5: Solve for x
   x = 5,333,406.39/2,567.58
6. Step 6: Final answer
   x = 2,077.21