Finding the Fourth Proportional to 2,542.59, 3,499.61 and 2,168.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,542.59 : 3,499.61 = 2,168.37 : x
2. Step 2: Convert to fraction form
   2,542.59/3,499.61 = 2,168.37/x
3. Step 3: Cross multiply
   2,542.59x = 3,499.61 × 2,168.37
4. Step 4: Simplify right side
   2,542.59x = 7,588,438.49
5. Step 5: Solve for x
   x = 7,588,438.49/2,542.59
6. Step 6: Final answer
   x = 2,984.53