Finding the Fourth Proportional to 5,933.79, 8,189.28 and 3,781.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,933.79 : 8,189.28 = 3,781.89 : x
2. Step 2: Convert to fraction form
   5,933.79/8,189.28 = 3,781.89/x
3. Step 3: Cross multiply
   5,933.79x = 8,189.28 × 3,781.89
4. Step 4: Simplify right side
   5,933.79x = 30,970,956.14
5. Step 5: Solve for x
   x = 30,970,956.14/5,933.79
6. Step 6: Final answer
   x = 5,219.42