Finding the Fourth Proportional to 23,442,624.72, 32,351,066.28 and 12,988,960.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,442,624.72 : 32,351,066.28 = 12,988,960.74 : x
2. Step 2: Convert to fraction form
   23,442,624.72/32,351,066.28 = 12,988,960.74/x
3. Step 3: Cross multiply
   23,442,624.72x = 32,351,066.28 × 12,988,960.74
4. Step 4: Simplify right side
   23,442,624.72x = 420,206,729,808,057.88
5. Step 5: Solve for x
   x = 420,206,729,808,057.88/23,442,624.72
6. Step 6: Final answer
   x = 17,924,901.11