Finding the Fourth Proportional to 1,973.12, 2,722.83 and 1,274.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,973.12 : 2,722.83 = 1,274.50 : x
2. Step 2: Convert to fraction form
   1,973.12/2,722.83 = 1,274.50/x
3. Step 3: Cross multiply
   1,973.12x = 2,722.83 × 1,274.50
4. Step 4: Simplify right side
   1,973.12x = 3,470,233.22
5. Step 5: Solve for x
   x = 3,470,233.22/1,973.12
6. Step 6: Final answer
   x = 1,758.75