Finding the Fourth Proportional to 1,973.22, 2,722.92 and 1,089.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,973.22 : 2,722.92 = 1,089.02 : x
2. Step 2: Convert to fraction form
   1,973.22/2,722.92 = 1,089.02/x
3. Step 3: Cross multiply
   1,973.22x = 2,722.92 × 1,089.02
4. Step 4: Simplify right side
   1,973.22x = 2,965,300.72
5. Step 5: Solve for x
   x = 2,965,300.72/1,973.22
6. Step 6: Final answer
   x = 1,502.78