Finding the Fourth Proportional to 2,376.54, 3,279.72 and 1,432.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,376.54 : 3,279.72 = 1,432.42 : x
2. Step 2: Convert to fraction form
   2,376.54/3,279.72 = 1,432.42/x
3. Step 3: Cross multiply
   2,376.54x = 3,279.72 × 1,432.42
4. Step 4: Simplify right side
   2,376.54x = 4,697,933.69
5. Step 5: Solve for x
   x = 4,697,933.69/2,376.54
6. Step 6: Final answer
   x = 1,976.80