Finding the Fourth Proportional to 1,087.76, 1,632.45 and 740.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.76 : 1,632.45 = 740.27 : x
2. Step 2: Convert to fraction form
   1,087.76/1,632.45 = 740.27/x
3. Step 3: Cross multiply
   1,087.76x = 1,632.45 × 740.27
4. Step 4: Simplify right side
   1,087.76x = 1,208,460.62
5. Step 5: Solve for x
   x = 1,208,460.62/1,087.76
6. Step 6: Final answer
   x = 1,110.96