Finding the Fourth Proportional to 8,947.62, 13,417.98 and 3,398.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,947.62 : 13,417.98 = 3,398.04 : x
2. Step 2: Convert to fraction form
   8,947.62/13,417.98 = 3,398.04/x
3. Step 3: Cross multiply
   8,947.62x = 13,417.98 × 3,398.04
4. Step 4: Simplify right side
   8,947.62x = 45,594,832.76
5. Step 5: Solve for x
   x = 45,594,832.76/8,947.62
6. Step 6: Final answer
   x = 5,095.75