Finding the Fourth Proportional to 14,346.42, 21,529.56 and 5,581.38

Step by Step Solution

1. Step 1: Write the proportion equation
   14,346.42 : 21,529.56 = 5,581.38 : x
2. Step 2: Convert to fraction form
   14,346.42/21,529.56 = 5,581.38/x
3. Step 3: Cross multiply
   14,346.42x = 21,529.56 × 5,581.38
4. Step 4: Simplify right side
   14,346.42x = 120,164,655.59
5. Step 5: Solve for x
   x = 120,164,655.59/14,346.42
6. Step 6: Final answer
   x = 8,375.93