Finding the Fourth Proportional to 12,614,624.20, 18,926,327.52 and 3,980,057.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,614,624.20 : 18,926,327.52 = 3,980,057.82 : x
2. Step 2: Convert to fraction form
   12,614,624.20/18,926,327.52 = 3,980,057.82/x
3. Step 3: Cross multiply
   12,614,624.20x = 18,926,327.52 × 3,980,057.82
4. Step 4: Simplify right side
   12,614,624.20x = 75,327,877,849,857.20
5. Step 5: Solve for x
   x = 75,327,877,849,857.20/12,614,624.20
6. Step 6: Final answer
   x = 5,971,472.21