Finding the Fourth Proportional to 12,008,426.22, 18,016,625.15 and 3,921,665.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,008,426.22 : 18,016,625.15 = 3,921,665.67 : x
2. Step 2: Convert to fraction form
   12,008,426.22/18,016,625.15 = 3,921,665.67/x
3. Step 3: Cross multiply
   12,008,426.22x = 18,016,625.15 × 3,921,665.67
4. Step 4: Simplify right side
   12,008,426.22x = 70,655,180,340,013.59
5. Step 5: Solve for x
   x = 70,655,180,340,013.59/12,008,426.22
6. Step 6: Final answer
   x = 5,883,800.18