Finding the Fourth Proportional to 5,915.98, 8,164.47 and 3,398.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,915.98 : 8,164.47 = 3,398.50 : x
2. Step 2: Convert to fraction form
   5,915.98/8,164.47 = 3,398.50/x
3. Step 3: Cross multiply
   5,915.98x = 8,164.47 × 3,398.50
4. Step 4: Simplify right side
   5,915.98x = 27,746,951.30
5. Step 5: Solve for x
   x = 27,746,951.30/5,915.98
6. Step 6: Final answer
   x = 4,690.17