Finding the Fourth Proportional to 8,285,089, 12,428,076.38 and 2,605,756.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,285,089 : 12,428,076.38 = 2,605,756.18 : x
2. Step 2: Convert to fraction form
   8,285,089/12,428,076.38 = 2,605,756.18/x
3. Step 3: Cross multiply
   8,285,089x = 12,428,076.38 × 2,605,756.18
4. Step 4: Simplify right side
   8,285,089x = 32,384,536,832,697.03
5. Step 5: Solve for x
   x = 32,384,536,832,697.03/8,285,089
6. Step 6: Final answer
   x = 3,908,773.56