Finding the Fourth Proportional to 2,376.30, 3,279.06 and 1,328.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,376.30 : 3,279.06 = 1,328.34 : x
2. Step 2: Convert to fraction form
   2,376.30/3,279.06 = 1,328.34/x
3. Step 3: Cross multiply
   2,376.30x = 3,279.06 × 1,328.34
4. Step 4: Simplify right side
   2,376.30x = 4,355,706.56
5. Step 5: Solve for x
   x = 4,355,706.56/2,376.30
6. Step 6: Final answer
   x = 1,832.98