Finding the Fourth Proportional to 1,327.47, 1,826.59 and 1,116.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,327.47 : 1,826.59 = 1,116.87 : x
2. Step 2: Convert to fraction form
   1,327.47/1,826.59 = 1,116.87/x
3. Step 3: Cross multiply
   1,327.47x = 1,826.59 × 1,116.87
4. Step 4: Simplify right side
   1,327.47x = 2,040,063.57
5. Step 5: Solve for x
   x = 2,040,063.57/1,327.47
6. Step 6: Final answer
   x = 1,536.81