Finding the Fourth Proportional to 2,179.71, 3,007.67 and 1,432.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.71 : 3,007.67 = 1,432.24 : x
2. Step 2: Convert to fraction form
   2,179.71/3,007.67 = 1,432.24/x
3. Step 3: Cross multiply
   2,179.71x = 3,007.67 × 1,432.24
4. Step 4: Simplify right side
   2,179.71x = 4,307,705.28
5. Step 5: Solve for x
   x = 4,307,705.28/2,179.71
6. Step 6: Final answer
   x = 1,976.27