Finding the Fourth Proportional to 1,789.57, 2,469.60 and 1,003.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.57 : 2,469.60 = 1,003.62 : x
2. Step 2: Convert to fraction form
   1,789.57/2,469.60 = 1,003.62/x
3. Step 3: Cross multiply
   1,789.57x = 2,469.60 × 1,003.62
4. Step 4: Simplify right side
   1,789.57x = 2,478,539.95
5. Step 5: Solve for x
   x = 2,478,539.95/1,789.57
6. Step 6: Final answer
   x = 1,384.99