Finding the Fourth Proportional to 12,171,447.45, 18,252,967.41 and 3,533,206.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,171,447.45 : 18,252,967.41 = 3,533,206.32 : x
2. Step 2: Convert to fraction form
   12,171,447.45/18,252,967.41 = 3,533,206.32/x
3. Step 3: Cross multiply
   12,171,447.45x = 18,252,967.41 × 3,533,206.32
4. Step 4: Simplify right side
   12,171,447.45x = 64,491,499,811,766.03
5. Step 5: Solve for x
   x = 64,491,499,811,766.03/12,171,447.45
6. Step 6: Final answer
   x = 5,298,589.18