Finding the Fourth Proportional to 2,376.25, 3,279.23 and 1,328.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,376.25 : 3,279.23 = 1,328.56 : x
2. Step 2: Convert to fraction form
   2,376.25/3,279.23 = 1,328.56/x
3. Step 3: Cross multiply
   2,376.25x = 3,279.23 × 1,328.56
4. Step 4: Simplify right side
   2,376.25x = 4,356,653.81
5. Step 5: Solve for x
   x = 4,356,653.81/2,376.25
6. Step 6: Final answer
   x = 1,833.42