Finding the Fourth Proportional to 2,376.50, 3,279.58 and 1,328.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,376.50 : 3,279.58 = 1,328.82 : x
2. Step 2: Convert to fraction form
   2,376.50/3,279.58 = 1,328.82/x
3. Step 3: Cross multiply
   2,376.50x = 3,279.58 × 1,328.82
4. Step 4: Simplify right side
   2,376.50x = 4,357,971.50
5. Step 5: Solve for x
   x = 4,357,971.50/2,376.50
6. Step 6: Final answer
   x = 1,833.78