Finding the Fourth Proportional to 1,116.41, 1,540.37 and 723.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.41 : 1,540.37 = 723.35 : x
2. Step 2: Convert to fraction form
   1,116.41/1,540.37 = 723.35/x
3. Step 3: Cross multiply
   1,116.41x = 1,540.37 × 723.35
4. Step 4: Simplify right side
   1,116.41x = 1,114,232.30
5. Step 5: Solve for x
   x = 1,114,232.30/1,116.41
6. Step 6: Final answer
   x = 998.05