Finding the Fourth Proportional to 1,789.81, 2,470.04 and 1,003.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.81 : 2,470.04 = 1,003.84 : x
2. Step 2: Convert to fraction form
   1,789.81/2,470.04 = 1,003.84/x
3. Step 3: Cross multiply
   1,789.81x = 2,470.04 × 1,003.84
4. Step 4: Simplify right side
   1,789.81x = 2,479,524.95
5. Step 5: Solve for x
   x = 2,479,524.95/1,789.81
6. Step 6: Final answer
   x = 1,385.36