Finding the Fourth Proportional to 10,812,913.83, 16,218,944.28 and 3,986,535.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,812,913.83 : 16,218,944.28 = 3,986,535.96 : x
2. Step 2: Convert to fraction form
   10,812,913.83/16,218,944.28 = 3,986,535.96/x
3. Step 3: Cross multiply
   10,812,913.83x = 16,218,944.28 × 3,986,535.96
4. Step 4: Simplify right side
   10,812,913.83x = 64,657,404,605,456.30
5. Step 5: Solve for x
   x = 64,657,404,605,456.30/10,812,913.83
6. Step 6: Final answer
   x = 5,979,646.71