Finding the Fourth Proportional to 1,789.47, 2,467.85 and 1,491.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.47 : 2,467.85 = 1,491.71 : x
2. Step 2: Convert to fraction form
   1,789.47/2,467.85 = 1,491.71/x
3. Step 3: Cross multiply
   1,789.47x = 2,467.85 × 1,491.71
4. Step 4: Simplify right side
   1,789.47x = 3,681,316.52
5. Step 5: Solve for x
   x = 3,681,316.52/1,789.47
6. Step 6: Final answer
   x = 2,057.21