Finding the Fourth Proportional to 14,212.76, 21,322.22 and 5,447.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,212.76 : 21,322.22 = 5,447.69 : x
2. Step 2: Convert to fraction form
   14,212.76/21,322.22 = 5,447.69/x
3. Step 3: Cross multiply
   14,212.76x = 21,322.22 × 5,447.69
4. Step 4: Simplify right side
   14,212.76x = 116,156,710.82
5. Step 5: Solve for x
   x = 116,156,710.82/14,212.76
6. Step 6: Final answer
   x = 8,172.71