Finding the Fourth Proportional to 2,376.70, 3,279.48 and 1,432.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,376.70 : 3,279.48 = 1,432.27 : x
2. Step 2: Convert to fraction form
   2,376.70/3,279.48 = 1,432.27/x
3. Step 3: Cross multiply
   2,376.70x = 3,279.48 × 1,432.27
4. Step 4: Simplify right side
   2,376.70x = 4,697,100.82
5. Step 5: Solve for x
   x = 4,697,100.82/2,376.70
6. Step 6: Final answer
   x = 1,976.31