Finding the Fourth Proportional to 1,490.50, 2,234.19 and 710.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490.50 : 2,234.19 = 710.15 : x
2. Step 2: Convert to fraction form
   1,490.50/2,234.19 = 710.15/x
3. Step 3: Cross multiply
   1,490.50x = 2,234.19 × 710.15
4. Step 4: Simplify right side
   1,490.50x = 1,586,610.03
5. Step 5: Solve for x
   x = 1,586,610.03/1,490.50
6. Step 6: Final answer
   x = 1,064.49