Finding the Fourth Proportional to 1,569.72, 2,166.48 and 1,196.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,569.72 : 2,166.48 = 1,196.08 : x
2. Step 2: Convert to fraction form
   1,569.72/2,166.48 = 1,196.08/x
3. Step 3: Cross multiply
   1,569.72x = 2,166.48 × 1,196.08
4. Step 4: Simplify right side
   1,569.72x = 2,591,283.40
5. Step 5: Solve for x
   x = 2,591,283.40/1,569.72
6. Step 6: Final answer
   x = 1,650.79