Finding the Fourth Proportional to 11,786,798.72, 17,680,329.60 and 3,267,209.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,786,798.72 : 17,680,329.60 = 3,267,209.28 : x
2. Step 2: Convert to fraction form
   11,786,798.72/17,680,329.60 = 3,267,209.28/x
3. Step 3: Cross multiply
   11,786,798.72x = 17,680,329.60 × 3,267,209.28
4. Step 4: Simplify right side
   11,786,798.72x = 57,765,336,942,578.69
5. Step 5: Solve for x
   x = 57,765,336,942,578.69/11,786,798.72
6. Step 6: Final answer
   x = 4,900,850.38