Finding the Fourth Proportional to 2,376.32, 3,279.42 and 1,328.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,376.32 : 3,279.42 = 1,328.38 : x
2. Step 2: Convert to fraction form
   2,376.32/3,279.42 = 1,328.38/x
3. Step 3: Cross multiply
   2,376.32x = 3,279.42 × 1,328.38
4. Step 4: Simplify right side
   2,376.32x = 4,356,315.94
5. Step 5: Solve for x
   x = 4,356,315.94/2,376.32
6. Step 6: Final answer
   x = 1,833.22