Finding the Fourth Proportional to 2,661.06, 3,672.13 and 1,541.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.06 : 3,672.13 = 1,541.91 : x
2. Step 2: Convert to fraction form
   2,661.06/3,672.13 = 1,541.91/x
3. Step 3: Cross multiply
   2,661.06x = 3,672.13 × 1,541.91
4. Step 4: Simplify right side
   2,661.06x = 5,662,093.97
5. Step 5: Solve for x
   x = 5,662,093.97/2,661.06
6. Step 6: Final answer
   x = 2,127.76