Finding the Fourth Proportional to 8,485,142.82, 12,728,465.13 and 2,419,746.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,485,142.82 : 12,728,465.13 = 2,419,746.18 : x
2. Step 2: Convert to fraction form
   8,485,142.82/12,728,465.13 = 2,419,746.18/x
3. Step 3: Cross multiply
   8,485,142.82x = 12,728,465.13 × 2,419,746.18
4. Step 4: Simplify right side
   8,485,142.82x = 30,799,654,875,580.71
5. Step 5: Solve for x
   x = 30,799,654,875,580.71/8,485,142.82
6. Step 6: Final answer
   x = 3,629,833.41