Finding the Fourth Proportional to 1,789.83, 2,681.27 and 1,007.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.83 : 2,681.27 = 1,007.45 : x
2. Step 2: Convert to fraction form
   1,789.83/2,681.27 = 1,007.45/x
3. Step 3: Cross multiply
   1,789.83x = 2,681.27 × 1,007.45
4. Step 4: Simplify right side
   1,789.83x = 2,701,227.02
5. Step 5: Solve for x
   x = 2,701,227.02/1,789.83
6. Step 6: Final answer
   x = 1,509.21