Finding the Fourth Proportional to 14,168.06, 21,250.47 and 3,780.62

Step by Step Solution

1. Step 1: Write the proportion equation
   14,168.06 : 21,250.47 = 3,780.62 : x
2. Step 2: Convert to fraction form
   14,168.06/21,250.47 = 3,780.62/x
3. Step 3: Cross multiply
   14,168.06x = 21,250.47 × 3,780.62
4. Step 4: Simplify right side
   14,168.06x = 80,339,951.89
5. Step 5: Solve for x
   x = 80,339,951.89/14,168.06
6. Step 6: Final answer
   x = 5,670.50