Finding the Fourth Proportional to 9,895.34, 14,819.31 and 7,219.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,895.34 : 14,819.31 = 7,219.82 : x
2. Step 2: Convert to fraction form
   9,895.34/14,819.31 = 7,219.82/x
3. Step 3: Cross multiply
   9,895.34x = 14,819.31 × 7,219.82
4. Step 4: Simplify right side
   9,895.34x = 106,992,750.72
5. Step 5: Solve for x
   x = 106,992,750.72/9,895.34
6. Step 6: Final answer
   x = 10,812.44