Finding the Fourth Proportional to 3,949.32, 5,443.98 and 2,953.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949.32 : 5,443.98 = 2,953.08 : x
2. Step 2: Convert to fraction form
   3,949.32/5,443.98 = 2,953.08/x
3. Step 3: Cross multiply
   3,949.32x = 5,443.98 × 2,953.08
4. Step 4: Simplify right side
   3,949.32x = 16,076,508.46
5. Step 5: Solve for x
   x = 16,076,508.46/3,949.32
6. Step 6: Final answer
   x = 4,070.70