Finding the Fourth Proportional to 1,490.70, 2,234.52 and 1,003.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490.70 : 2,234.52 = 1,003.89 : x
2. Step 2: Convert to fraction form
   1,490.70/2,234.52 = 1,003.89/x
3. Step 3: Cross multiply
   1,490.70x = 2,234.52 × 1,003.89
4. Step 4: Simplify right side
   1,490.70x = 2,243,212.28
5. Step 5: Solve for x
   x = 2,243,212.28/1,490.70
6. Step 6: Final answer
   x = 1,504.80