Finding the Fourth Proportional to 2,801.14, 3,865.46 and 1,542.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,801.14 : 3,865.46 = 1,542.18 : x
2. Step 2: Convert to fraction form
   2,801.14/3,865.46 = 1,542.18/x
3. Step 3: Cross multiply
   2,801.14x = 3,865.46 × 1,542.18
4. Step 4: Simplify right side
   2,801.14x = 5,961,238.96
5. Step 5: Solve for x
   x = 5,961,238.96/2,801.14
6. Step 6: Final answer
   x = 2,128.15