Finding the Fourth Proportional to 6,369,196.72, 8,789,431 and 3,468,636

Step by Step Solution

1. Step 1: Write the proportion equation
   6,369,196.72 : 8,789,431 = 3,468,636 : x
2. Step 2: Convert to fraction form
   6,369,196.72/8,789,431 = 3,468,636/x
3. Step 3: Cross multiply
   6,369,196.72x = 8,789,431 × 3,468,636
4. Step 4: Simplify right side
   6,369,196.72x = 30,487,336,786,116
5. Step 5: Solve for x
   x = 30,487,336,786,116/6,369,196.72
6. Step 6: Final answer
   x = 4,786,684.75