Finding the Fourth Proportional to 1,867.07, 2,576.52 and 1,081.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,867.07 : 2,576.52 = 1,081.10 : x
2. Step 2: Convert to fraction form
   1,867.07/2,576.52 = 1,081.10/x
3. Step 3: Cross multiply
   1,867.07x = 2,576.52 × 1,081.10
4. Step 4: Simplify right side
   1,867.07x = 2,785,462.89
5. Step 5: Solve for x
   x = 2,785,462.89/1,867.07
6. Step 6: Final answer
   x = 1,491.89