Finding the Fourth Proportional to 1,152.91, 1,717.91 and 1,097.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.91 : 1,717.91 = 1,097.12 : x
2. Step 2: Convert to fraction form
   1,152.91/1,717.91 = 1,097.12/x
3. Step 3: Cross multiply
   1,152.91x = 1,717.91 × 1,097.12
4. Step 4: Simplify right side
   1,152.91x = 1,884,753.42
5. Step 5: Solve for x
   x = 1,884,753.42/1,152.91
6. Step 6: Final answer
   x = 1,634.78