Finding the Fourth Proportional to 1,156.27, 1,732.15 and 1,097.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.27 : 1,732.15 = 1,097.23 : x
2. Step 2: Convert to fraction form
   1,156.27/1,732.15 = 1,097.23/x
3. Step 3: Cross multiply
   1,156.27x = 1,732.15 × 1,097.23
4. Step 4: Simplify right side
   1,156.27x = 1,900,566.94
5. Step 5: Solve for x
   x = 1,900,566.94/1,156.27
6. Step 6: Final answer
   x = 1,643.71