Finding the Fourth Proportional to 12,456,016.96, 18,682,418.40 and 3,937,214.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,456,016.96 : 18,682,418.40 = 3,937,214.56 : x
2. Step 2: Convert to fraction form
   12,456,016.96/18,682,418.40 = 3,937,214.56/x
3. Step 3: Cross multiply
   12,456,016.96x = 18,682,418.40 × 3,937,214.56
4. Step 4: Simplify right side
   12,456,016.96x = 73,556,689,740,491.91
5. Step 5: Solve for x
   x = 73,556,689,740,491.91/12,456,016.96
6. Step 6: Final answer
   x = 5,905,313.87