Finding the Fourth Proportional to 2,661.93, 3,672.86 and 1,542.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.93 : 3,672.86 = 1,542.47 : x
2. Step 2: Convert to fraction form
   2,661.93/3,672.86 = 1,542.47/x
3. Step 3: Cross multiply
   2,661.93x = 3,672.86 × 1,542.47
4. Step 4: Simplify right side
   2,661.93x = 5,665,250.29
5. Step 5: Solve for x
   x = 5,665,250.29/2,661.93
6. Step 6: Final answer
   x = 2,128.25