Finding the Fourth Proportional to 6,196.91, 9,279.52 and 3,420.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,196.91 : 9,279.52 = 3,420.50 : x
2. Step 2: Convert to fraction form
   6,196.91/9,279.52 = 3,420.50/x
3. Step 3: Cross multiply
   6,196.91x = 9,279.52 × 3,420.50
4. Step 4: Simplify right side
   6,196.91x = 31,740,578.01
5. Step 5: Solve for x
   x = 31,740,578.01/6,196.91
6. Step 6: Final answer
   x = 5,122.00