Finding the Fourth Proportional to 2,673.91, 3,689.96 and 1,478.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673.91 : 3,689.96 = 1,478.86 : x
2. Step 2: Convert to fraction form
   2,673.91/3,689.96 = 1,478.86/x
3. Step 3: Cross multiply
   2,673.91x = 3,689.96 × 1,478.86
4. Step 4: Simplify right side
   2,673.91x = 5,456,917.63
5. Step 5: Solve for x
   x = 5,456,917.63/2,673.91
6. Step 6: Final answer
   x = 2,040.80