Finding the Fourth Proportional to 5,443.67, 8,168.06 and 3,780.35

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.67 : 8,168.06 = 3,780.35 : x
2. Step 2: Convert to fraction form
   5,443.67/8,168.06 = 3,780.35/x
3. Step 3: Cross multiply
   5,443.67x = 8,168.06 × 3,780.35
4. Step 4: Simplify right side
   5,443.67x = 30,878,125.62
5. Step 5: Solve for x
   x = 30,878,125.62/5,443.67
6. Step 6: Final answer
   x = 5,672.30