Finding the Fourth Proportional to 2,542.07, 3,507.89 and 1,423.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,542.07 : 3,507.89 = 1,423.01 : x
2. Step 2: Convert to fraction form
   2,542.07/3,507.89 = 1,423.01/x
3. Step 3: Cross multiply
   2,542.07x = 3,507.89 × 1,423.01
4. Step 4: Simplify right side
   2,542.07x = 4,991,737.89
5. Step 5: Solve for x
   x = 4,991,737.89/2,542.07
6. Step 6: Final answer
   x = 1,963.65