Finding the Fourth Proportional to 1,367.57, 1,887.36 and 1,118.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.57 : 1,887.36 = 1,118.19 : x
2. Step 2: Convert to fraction form
   1,367.57/1,887.36 = 1,118.19/x
3. Step 3: Cross multiply
   1,367.57x = 1,887.36 × 1,118.19
4. Step 4: Simplify right side
   1,367.57x = 2,110,427.08
5. Step 5: Solve for x
   x = 2,110,427.08/1,367.57
6. Step 6: Final answer
   x = 1,543.19