Finding the Fourth Proportional to 8,264,879.21, 12,397,443.89 and 3,147,592.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,264,879.21 : 12,397,443.89 = 3,147,592.38 : x
2. Step 2: Convert to fraction form
   8,264,879.21/12,397,443.89 = 3,147,592.38/x
3. Step 3: Cross multiply
   8,264,879.21x = 12,397,443.89 × 3,147,592.38
4. Step 4: Simplify right side
   8,264,879.21x = 39,022,099,903,903.59
5. Step 5: Solve for x
   x = 39,022,099,903,903.59/8,264,879.21
6. Step 6: Final answer
   x = 4,721,436.20