Finding the Fourth Proportional to 10,993.32, 16,493.63 and 7,310.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,993.32 : 16,493.63 = 7,310.05 : x
2. Step 2: Convert to fraction form
   10,993.32/16,493.63 = 7,310.05/x
3. Step 3: Cross multiply
   10,993.32x = 16,493.63 × 7,310.05
4. Step 4: Simplify right side
   10,993.32x = 120,569,182.20
5. Step 5: Solve for x
   x = 120,569,182.20/10,993.32
6. Step 6: Final answer
   x = 10,967.50