Finding the Fourth Proportional to 1,680.35, 2,520.98 and 1,196.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,680.35 : 2,520.98 = 1,196.48 : x
2. Step 2: Convert to fraction form
   1,680.35/2,520.98 = 1,196.48/x
3. Step 3: Cross multiply
   1,680.35x = 2,520.98 × 1,196.48
4. Step 4: Simplify right side
   1,680.35x = 3,016,302.15
5. Step 5: Solve for x
   x = 3,016,302.15/1,680.35
6. Step 6: Final answer
   x = 1,795.04