Finding the Fourth Proportional to 1,973.30, 2,723.03 and 1,089.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,973.30 : 2,723.03 = 1,089.10 : x
2. Step 2: Convert to fraction form
   1,973.30/2,723.03 = 1,089.10/x
3. Step 3: Cross multiply
   1,973.30x = 2,723.03 × 1,089.10
4. Step 4: Simplify right side
   1,973.30x = 2,965,654.02
5. Step 5: Solve for x
   x = 2,965,654.02/1,973.30
6. Step 6: Final answer
   x = 1,502.89