Finding the Fourth Proportional to 2,064.69, 2,848.37 and 1,278.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.69 : 2,848.37 = 1,278.59 : x
2. Step 2: Convert to fraction form
   2,064.69/2,848.37 = 1,278.59/x
3. Step 3: Cross multiply
   2,064.69x = 2,848.37 × 1,278.59
4. Step 4: Simplify right side
   2,064.69x = 3,641,876.76
5. Step 5: Solve for x
   x = 3,641,876.76/2,064.69
6. Step 6: Final answer
   x = 1,763.89