Finding the Fourth Proportional to 5,938.50, 8,196.69 and 3,420.90

Step by Step Solution

1. Step 1: Write the proportion equation
   5,938.50 : 8,196.69 = 3,420.90 : x
2. Step 2: Convert to fraction form
   5,938.50/8,196.69 = 3,420.90/x
3. Step 3: Cross multiply
   5,938.50x = 8,196.69 × 3,420.90
4. Step 4: Simplify right side
   5,938.50x = 28,040,056.82
5. Step 5: Solve for x
   x = 28,040,056.82/5,938.50
6. Step 6: Final answer
   x = 4,721.74