Finding the Fourth Proportional to 1,173.95, 1,627.46 and 1,111.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.95 : 1,627.46 = 1,111.52 : x
2. Step 2: Convert to fraction form
   1,173.95/1,627.46 = 1,111.52/x
3. Step 3: Cross multiply
   1,173.95x = 1,627.46 × 1,111.52
4. Step 4: Simplify right side
   1,173.95x = 1,808,952.85
5. Step 5: Solve for x
   x = 1,808,952.85/1,173.95
6. Step 6: Final answer
   x = 1,540.92