Finding the Fourth Proportional to 2,326.74, 3,210.89 and 1,278.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,326.74 : 3,210.89 = 1,278.83 : x
2. Step 2: Convert to fraction form
   2,326.74/3,210.89 = 1,278.83/x
3. Step 3: Cross multiply
   2,326.74x = 3,210.89 × 1,278.83
4. Step 4: Simplify right side
   2,326.74x = 4,106,160.01
5. Step 5: Solve for x
   x = 4,106,160.01/2,326.74
6. Step 6: Final answer
   x = 1,764.77