Finding the Fourth Proportional to 22,550,906.67, 31,120,251.42 and 12,237,629.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,550,906.67 : 31,120,251.42 = 12,237,629.76 : x
2. Step 2: Convert to fraction form
   22,550,906.67/31,120,251.42 = 12,237,629.76/x
3. Step 3: Cross multiply
   22,550,906.67x = 31,120,251.42 × 12,237,629.76
4. Step 4: Simplify right side
   22,550,906.67x = 380,838,114,916,074.25
5. Step 5: Solve for x
   x = 380,838,114,916,074.25/22,550,906.67
6. Step 6: Final answer
   x = 16,887,929.19