Finding the Fourth Proportional to 14,186.48, 21,292.83 and 7,171.43

Step by Step Solution

1. Step 1: Write the proportion equation
   14,186.48 : 21,292.83 = 7,171.43 : x
2. Step 2: Convert to fraction form
   14,186.48/21,292.83 = 7,171.43/x
3. Step 3: Cross multiply
   14,186.48x = 21,292.83 × 7,171.43
4. Step 4: Simplify right side
   14,186.48x = 152,699,933.38
5. Step 5: Solve for x
   x = 152,699,933.38/14,186.48
6. Step 6: Final answer
   x = 10,763.77