Finding the Fourth Proportional to 1,552.27, 2,325.72 and 1,089.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.27 : 2,325.72 = 1,089.17 : x
2. Step 2: Convert to fraction form
   1,552.27/2,325.72 = 1,089.17/x
3. Step 3: Cross multiply
   1,552.27x = 2,325.72 × 1,089.17
4. Step 4: Simplify right side
   1,552.27x = 2,533,092.82
5. Step 5: Solve for x
   x = 2,533,092.82/1,552.27
6. Step 6: Final answer
   x = 1,631.87