Finding the Fourth Proportional to 2,705.83, 4,053.48 and 1,778.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,705.83 : 4,053.48 = 1,778.59 : x
2. Step 2: Convert to fraction form
   2,705.83/4,053.48 = 1,778.59/x
3. Step 3: Cross multiply
   2,705.83x = 4,053.48 × 1,778.59
4. Step 4: Simplify right side
   2,705.83x = 7,209,458.73
5. Step 5: Solve for x
   x = 7,209,458.73/2,705.83
6. Step 6: Final answer
   x = 2,664.42