Finding the Fourth Proportional to 6,188,874.48, 8,540,894.16 and 3,398,109.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,188,874.48 : 8,540,894.16 = 3,398,109.30 : x
2. Step 2: Convert to fraction form
   6,188,874.48/8,540,894.16 = 3,398,109.30/x
3. Step 3: Cross multiply
   6,188,874.48x = 8,540,894.16 × 3,398,109.30
4. Step 4: Simplify right side
   6,188,874.48x = 29,022,891,875,411.69
5. Step 5: Solve for x
   x = 29,022,891,875,411.69/6,188,874.48
6. Step 6: Final answer
   x = 4,689,526.66