Finding the Fourth Proportional to 2,376.56, 3,279.67 and 1,328.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,376.56 : 3,279.67 = 1,328.83 : x
2. Step 2: Convert to fraction form
   2,376.56/3,279.67 = 1,328.83/x
3. Step 3: Cross multiply
   2,376.56x = 3,279.67 × 1,328.83
4. Step 4: Simplify right side
   2,376.56x = 4,358,112.36
5. Step 5: Solve for x
   x = 4,358,112.36/2,376.56
6. Step 6: Final answer
   x = 1,833.79