Finding the Fourth Proportional to 22,809,321.36, 31,476,600.72 and 12,355,140.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,809,321.36 : 31,476,600.72 = 12,355,140.24 : x
2. Step 2: Convert to fraction form
   22,809,321.36/31,476,600.72 = 12,355,140.24/x
3. Step 3: Cross multiply
   22,809,321.36x = 31,476,600.72 × 12,355,140.24
4. Step 4: Simplify right side
   22,809,321.36x = 388,897,816,174,084.94
5. Step 5: Solve for x
   x = 388,897,816,174,084.94/22,809,321.36
6. Step 6: Final answer
   x = 17,049,951.20