Finding the Fourth Proportional to 10,994.82, 16,493.00 and 4,421.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,994.82 : 16,493.00 = 4,421.01 : x
2. Step 2: Convert to fraction form
   10,994.82/16,493.00 = 4,421.01/x
3. Step 3: Cross multiply
   10,994.82x = 16,493.00 × 4,421.01
4. Step 4: Simplify right side
   10,994.82x = 72,915,695.82
5. Step 5: Solve for x
   x = 72,915,695.82/10,994.82
6. Step 6: Final answer
   x = 6,631.82