Finding the Fourth Proportional to 10,995,353.82, 16,495,399.50 and 3,318,356.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,995,353.82 : 16,495,399.50 = 3,318,356.40 : x
2. Step 2: Convert to fraction form
   10,995,353.82/16,495,399.50 = 3,318,356.40/x
3. Step 3: Cross multiply
   10,995,353.82x = 16,495,399.50 × 3,318,356.40
4. Step 4: Simplify right side
   10,995,353.82x = 54,737,614,501,381.80
5. Step 5: Solve for x
   x = 54,737,614,501,381.80/10,995,353.82
6. Step 6: Final answer
   x = 4,978,249.49