Finding the Fourth Proportional to 1,959.96, 2,704.10 and 1,173.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,959.96 : 2,704.10 = 1,173.72 : x
2. Step 2: Convert to fraction form
   1,959.96/2,704.10 = 1,173.72/x
3. Step 3: Cross multiply
   1,959.96x = 2,704.10 × 1,173.72
4. Step 4: Simplify right side
   1,959.96x = 3,173,856.25
5. Step 5: Solve for x
   x = 3,173,856.25/1,959.96
6. Step 6: Final answer
   x = 1,619.35