Finding the Fourth Proportional to 1,969.97, 2,718.54 and 1,173.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.97 : 2,718.54 = 1,173.83 : x
2. Step 2: Convert to fraction form
   1,969.97/2,718.54 = 1,173.83/x
3. Step 3: Cross multiply
   1,969.97x = 2,718.54 × 1,173.83
4. Step 4: Simplify right side
   1,969.97x = 3,191,090.22
5. Step 5: Solve for x
   x = 3,191,090.22/1,969.97
6. Step 6: Final answer
   x = 1,619.87