Finding the Fourth Proportional to 11,298,399.81, 16,949,196.42 and 3,620,249.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,298,399.81 : 16,949,196.42 = 3,620,249.43 : x
2. Step 2: Convert to fraction form
   11,298,399.81/16,949,196.42 = 3,620,249.43/x
3. Step 3: Cross multiply
   11,298,399.81x = 16,949,196.42 × 3,620,249.43
4. Step 4: Simplify right side
   11,298,399.81x = 61,360,318,678,463.05
5. Step 5: Solve for x
   x = 61,360,318,678,463.05/11,298,399.81
6. Step 6: Final answer
   x = 5,430,885.76