Finding the Fourth Proportional to 10,812,914.83, 16,218,945.78 and 3,986,536.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,812,914.83 : 16,218,945.78 = 3,986,536.96 : x
2. Step 2: Convert to fraction form
   10,812,914.83/16,218,945.78 = 3,986,536.96/x
3. Step 3: Cross multiply
   10,812,914.83x = 16,218,945.78 × 3,986,536.96
4. Step 4: Simplify right side
   10,812,914.83x = 64,657,426,804,206.02
5. Step 5: Solve for x
   x = 64,657,426,804,206.02/10,812,914.83
6. Step 6: Final answer
   x = 5,979,648.21