Finding the Fourth Proportional to 1,789.23, 2,470.29 and 1,229.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.23 : 2,470.29 = 1,229.52 : x
2. Step 2: Convert to fraction form
   1,789.23/2,470.29 = 1,229.52/x
3. Step 3: Cross multiply
   1,789.23x = 2,470.29 × 1,229.52
4. Step 4: Simplify right side
   1,789.23x = 3,037,270.96
5. Step 5: Solve for x
   x = 3,037,270.96/1,789.23
6. Step 6: Final answer
   x = 1,697.53