Finding the Fourth Proportional to 22,166,708.89, 30,589,875.63 and 12,108,216.17

Step by Step Solution

1. Step 1: Write the proportion equation
   22,166,708.89 : 30,589,875.63 = 12,108,216.17 : x
2. Step 2: Convert to fraction form
   22,166,708.89/30,589,875.63 = 12,108,216.17/x
3. Step 3: Cross multiply
   22,166,708.89x = 30,589,875.63 × 12,108,216.17
4. Step 4: Simplify right side
   22,166,708.89x = 370,388,826,795,226.69
5. Step 5: Solve for x
   x = 370,388,826,795,226.69/22,166,708.89
6. Step 6: Final answer
   x = 16,709,238.55