Finding the Fourth Proportional to 1,789.20, 2,469.06 and 1,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.20 : 2,469.06 = 1,003.50 : x
2. Step 2: Convert to fraction form
   1,789.20/2,469.06 = 1,003.50/x
3. Step 3: Cross multiply
   1,789.20x = 2,469.06 × 1,003.50
4. Step 4: Simplify right side
   1,789.20x = 2,477,701.71
5. Step 5: Solve for x
   x = 2,477,701.71/1,789.20
6. Step 6: Final answer
   x = 1,384.81