Finding the Fourth Proportional to 1,301.76, 1,791.54 and 1,196.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.76 : 1,791.54 = 1,196.88 : x
2. Step 2: Convert to fraction form
   1,301.76/1,791.54 = 1,196.88/x
3. Step 3: Cross multiply
   1,301.76x = 1,791.54 × 1,196.88
4. Step 4: Simplify right side
   1,301.76x = 2,144,258.40
5. Step 5: Solve for x
   x = 2,144,258.40/1,301.76
6. Step 6: Final answer
   x = 1,647.20