Finding the Fourth Proportional to 1,680.48, 2,523.15 and 1,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,680.48 : 2,523.15 = 1,196.10 : x
2. Step 2: Convert to fraction form
   1,680.48/2,523.15 = 1,196.10/x
3. Step 3: Cross multiply
   1,680.48x = 2,523.15 × 1,196.10
4. Step 4: Simplify right side
   1,680.48x = 3,017,939.72
5. Step 5: Solve for x
   x = 3,017,939.72/1,680.48
6. Step 6: Final answer
   x = 1,795.88