Finding the Fourth Proportional to 19,196.96, 28,788.16 and 7,508.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,196.96 : 28,788.16 = 7,508.72 : x
2. Step 2: Convert to fraction form
   19,196.96/28,788.16 = 7,508.72/x
3. Step 3: Cross multiply
   19,196.96x = 28,788.16 × 7,508.72
4. Step 4: Simplify right side
   19,196.96x = 216,162,232.76
5. Step 5: Solve for x
   x = 216,162,232.76/19,196.96
6. Step 6: Final answer
   x = 11,260.23