Finding the Fourth Proportional to 22,648,949.46, 31,253,630.31 and 12,725,055.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,648,949.46 : 31,253,630.31 = 12,725,055.18 : x
2. Step 2: Convert to fraction form
   22,648,949.46/31,253,630.31 = 12,725,055.18/x
3. Step 3: Cross multiply
   22,648,949.46x = 31,253,630.31 × 12,725,055.18
4. Step 4: Simplify right side
   22,648,949.46x = 397,704,170,270,070.50
5. Step 5: Solve for x
   x = 397,704,170,270,070.50/22,648,949.46
6. Step 6: Final answer
   x = 17,559,497.45