Finding the Fourth Proportional to 12,441,996.50, 18,662,994.99 and 2,986,380.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,441,996.50 : 18,662,994.99 = 2,986,380.50 : x
2. Step 2: Convert to fraction form
   12,441,996.50/18,662,994.99 = 2,986,380.50/x
3. Step 3: Cross multiply
   12,441,996.50x = 18,662,994.99 × 2,986,380.50
4. Step 4: Simplify right side
   12,441,996.50x = 55,734,804,309,733.69
5. Step 5: Solve for x
   x = 55,734,804,309,733.69/12,441,996.50
6. Step 6: Final answer
   x = 4,479,570.81