Finding the Fourth Proportional to 2,979.47, 4,449.14 and 2,432.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,979.47 : 4,449.14 = 2,432.72 : x
2. Step 2: Convert to fraction form
   2,979.47/4,449.14 = 2,432.72/x
3. Step 3: Cross multiply
   2,979.47x = 4,449.14 × 2,432.72
4. Step 4: Simplify right side
   2,979.47x = 10,823,477.45
5. Step 5: Solve for x
   x = 10,823,477.45/2,979.47
6. Step 6: Final answer
   x = 3,632.69