Finding the Fourth Proportional to 2,801.48, 3,866.14 and 1,542.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,801.48 : 3,866.14 = 1,542.62 : x
2. Step 2: Convert to fraction form
   2,801.48/3,866.14 = 1,542.62/x
3. Step 3: Cross multiply
   2,801.48x = 3,866.14 × 1,542.62
4. Step 4: Simplify right side
   2,801.48x = 5,963,984.89
5. Step 5: Solve for x
   x = 5,963,984.89/2,801.48
6. Step 6: Final answer
   x = 2,128.87