Finding the Fourth Proportional to 20,667.48, 28,523.35 and 11,714.02

Step by Step Solution

1. Step 1: Write the proportion equation
   20,667.48 : 28,523.35 = 11,714.02 : x
2. Step 2: Convert to fraction form
   20,667.48/28,523.35 = 11,714.02/x
3. Step 3: Cross multiply
   20,667.48x = 28,523.35 × 11,714.02
4. Step 4: Simplify right side
   20,667.48x = 334,123,092.37
5. Step 5: Solve for x
   x = 334,123,092.37/20,667.48
6. Step 6: Final answer
   x = 16,166.61