Finding the Fourth Proportional to 1,367.10, 1,888.17 and 995.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.10 : 1,888.17 = 995.74 : x
2. Step 2: Convert to fraction form
   1,367.10/1,888.17 = 995.74/x
3. Step 3: Cross multiply
   1,367.10x = 1,888.17 × 995.74
4. Step 4: Simplify right side
   1,367.10x = 1,880,111.98
5. Step 5: Solve for x
   x = 1,880,111.98/1,367.10
6. Step 6: Final answer
   x = 1,375.26