Finding the Fourth Proportional to 8,426,578.09, 12,638,801.82 and 2,669,895.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,426,578.09 : 12,638,801.82 = 2,669,895.86 : x
2. Step 2: Convert to fraction form
   8,426,578.09/12,638,801.82 = 2,669,895.86/x
3. Step 3: Cross multiply
   8,426,578.09x = 12,638,801.82 × 2,669,895.86
4. Step 4: Simplify right side
   8,426,578.09x = 33,744,284,654,578.46
5. Step 5: Solve for x
   x = 33,744,284,654,578.46/8,426,578.09
6. Step 6: Final answer
   x = 4,004,506.25