Finding the Fourth Proportional to 5,938.72, 8,196.30 and 3,420.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,938.72 : 8,196.30 = 3,420.34 : x
2. Step 2: Convert to fraction form
   5,938.72/8,196.30 = 3,420.34/x
3. Step 3: Cross multiply
   5,938.72x = 8,196.30 × 3,420.34
4. Step 4: Simplify right side
   5,938.72x = 28,034,176.30
5. Step 5: Solve for x
   x = 28,034,176.30/5,938.72
6. Step 6: Final answer
   x = 4,720.57