Finding the Fourth Proportional to 1,196.87, 1,792.93 and 1,107.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.87 : 1,792.93 = 1,107.15 : x
2. Step 2: Convert to fraction form
   1,196.87/1,792.93 = 1,107.15/x
3. Step 3: Cross multiply
   1,196.87x = 1,792.93 × 1,107.15
4. Step 4: Simplify right side
   1,196.87x = 1,985,036.91
5. Step 5: Solve for x
   x = 1,985,036.91/1,196.87
6. Step 6: Final answer
   x = 1,658.53