Finding the Fourth Proportional to 2,801.41, 3,865.68 and 1,542.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,801.41 : 3,865.68 = 1,542.46 : x
2. Step 2: Convert to fraction form
   2,801.41/3,865.68 = 1,542.46/x
3. Step 3: Cross multiply
   2,801.41x = 3,865.68 × 1,542.46
4. Step 4: Simplify right side
   2,801.41x = 5,962,656.77
5. Step 5: Solve for x
   x = 5,962,656.77/2,801.41
6. Step 6: Final answer
   x = 2,128.45