Finding the Fourth Proportional to 1,488.27, 2,227.12 and 1,097.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.27 : 2,227.12 = 1,097.34 : x
2. Step 2: Convert to fraction form
   1,488.27/2,227.12 = 1,097.34/x
3. Step 3: Cross multiply
   1,488.27x = 2,227.12 × 1,097.34
4. Step 4: Simplify right side
   1,488.27x = 2,443,907.86
5. Step 5: Solve for x
   x = 2,443,907.86/1,488.27
6. Step 6: Final answer
   x = 1,642.11