Finding the Fourth Proportional to 14,188.05, 21,286.52 and 5,871.98

Step by Step Solution

1. Step 1: Write the proportion equation
   14,188.05 : 21,286.52 = 5,871.98 : x
2. Step 2: Convert to fraction form
   14,188.05/21,286.52 = 5,871.98/x
3. Step 3: Cross multiply
   14,188.05x = 21,286.52 × 5,871.98
4. Step 4: Simplify right side
   14,188.05x = 124,993,981.17
5. Step 5: Solve for x
   x = 124,993,981.17/14,188.05
6. Step 6: Final answer
   x = 8,809.81