Finding the Fourth Proportional to 14,196.96, 21,305.12 and 7,276.32

Step by Step Solution

1. Step 1: Write the proportion equation
   14,196.96 : 21,305.12 = 7,276.32 : x
2. Step 2: Convert to fraction form
   14,196.96/21,305.12 = 7,276.32/x
3. Step 3: Cross multiply
   14,196.96x = 21,305.12 × 7,276.32
4. Step 4: Simplify right side
   14,196.96x = 155,022,870.76
5. Step 5: Solve for x
   x = 155,022,870.76/14,196.96
6. Step 6: Final answer
   x = 10,919.44