Finding the Fourth Proportional to 1,789.93, 2,470.13 and 1,003.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.93 : 2,470.13 = 1,003.96 : x
2. Step 2: Convert to fraction form
   1,789.93/2,470.13 = 1,003.96/x
3. Step 3: Cross multiply
   1,789.93x = 2,470.13 × 1,003.96
4. Step 4: Simplify right side
   1,789.93x = 2,479,911.71
5. Step 5: Solve for x
   x = 2,479,911.71/1,789.93
6. Step 6: Final answer
   x = 1,385.48