Finding the Fourth Proportional to 1,181.89, 1,632.04 and 740.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,181.89 : 1,632.04 = 740.55 : x
2. Step 2: Convert to fraction form
   1,181.89/1,632.04 = 740.55/x
3. Step 3: Cross multiply
   1,181.89x = 1,632.04 × 740.55
4. Step 4: Simplify right side
   1,181.89x = 1,208,605.37
5. Step 5: Solve for x
   x = 1,208,605.37/1,181.89
6. Step 6: Final answer
   x = 1,022.61