Finding the Fourth Proportional to 10,994.64, 16,490.22 and 3,973.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,994.64 : 16,490.22 = 3,973.56 : x
2. Step 2: Convert to fraction form
   10,994.64/16,490.22 = 3,973.56/x
3. Step 3: Cross multiply
   10,994.64x = 16,490.22 × 3,973.56
4. Step 4: Simplify right side
   10,994.64x = 65,524,878.58
5. Step 5: Solve for x
   x = 65,524,878.58/10,994.64
6. Step 6: Final answer
   x = 5,959.71