Finding the Fourth Proportional to 8,155,978.09, 12,226,323.56 and 2,760,853.21

Step by Step Solution

1. Step 1: Write the proportion equation
   8,155,978.09 : 12,226,323.56 = 2,760,853.21 : x
2. Step 2: Convert to fraction form
   8,155,978.09/12,226,323.56 = 2,760,853.21/x
3. Step 3: Cross multiply
   8,155,978.09x = 12,226,323.56 × 2,760,853.21
4. Step 4: Simplify right side
   8,155,978.09x = 33,755,084,647,124.63
5. Step 5: Solve for x
   x = 33,755,084,647,124.63/8,155,978.09
6. Step 6: Final answer
   x = 4,138,692.41