Finding the Fourth Proportional to 1,105.41, 1,657.71 and 740.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.41 : 1,657.71 = 740.10 : x
2. Step 2: Convert to fraction form
   1,105.41/1,657.71 = 740.10/x
3. Step 3: Cross multiply
   1,105.41x = 1,657.71 × 740.10
4. Step 4: Simplify right side
   1,105.41x = 1,226,871.17
5. Step 5: Solve for x
   x = 1,226,871.17/1,105.41
6. Step 6: Final answer
   x = 1,109.88