Finding the Fourth Proportional to 1,973.50, 2,723.42 and 1,089.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,973.50 : 2,723.42 = 1,089.30 : x
2. Step 2: Convert to fraction form
   1,973.50/2,723.42 = 1,089.30/x
3. Step 3: Cross multiply
   1,973.50x = 2,723.42 × 1,089.30
4. Step 4: Simplify right side
   1,973.50x = 2,966,621.41
5. Step 5: Solve for x
   x = 2,966,621.41/1,973.50
6. Step 6: Final answer
   x = 1,503.23