Finding the Fourth Proportional to 1,789.34, 2,683.71 and 490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.34 : 2,683.71 = 490.50 : x
2. Step 2: Convert to fraction form
   1,789.34/2,683.71 = 490.50/x
3. Step 3: Cross multiply
   1,789.34x = 2,683.71 × 490.50
4. Step 4: Simplify right side
   1,789.34x = 1,316,359.76
5. Step 5: Solve for x
   x = 1,316,359.76/1,789.34
6. Step 6: Final answer
   x = 735.67