Finding the Fourth Proportional to 22,208,990.15, 30,647,134.73 and 12,285,280.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,208,990.15 : 30,647,134.73 = 12,285,280.82 : x
2. Step 2: Convert to fraction form
   22,208,990.15/30,647,134.73 = 12,285,280.82/x
3. Step 3: Cross multiply
   22,208,990.15x = 30,647,134.73 × 12,285,280.82
4. Step 4: Simplify right side
   22,208,990.15x = 376,508,656,271,762.81
5. Step 5: Solve for x
   x = 376,508,656,271,762.81/22,208,990.15
6. Step 6: Final answer
   x = 16,952,984.08