Finding the Fourth Proportional to 2,947,456.22, 4,057,663.83 and 2,812,037.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947,456.22 : 4,057,663.83 = 2,812,037.18 : x
2. Step 2: Convert to fraction form
   2,947,456.22/4,057,663.83 = 2,812,037.18/x
3. Step 3: Cross multiply
   2,947,456.22x = 4,057,663.83 × 2,812,037.18
4. Step 4: Simplify right side
   2,947,456.22x = 11,410,301,553,901.20
5. Step 5: Solve for x
   x = 11,410,301,553,901.20/2,947,456.22
6. Step 6: Final answer
   x = 3,871,236.99