Finding the Fourth Proportional to 22,784,228.76, 31,442,531 and 12,470,730.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,784,228.76 : 31,442,531 = 12,470,730.42 : x
2. Step 2: Convert to fraction form
   22,784,228.76/31,442,531 = 12,470,730.42/x
3. Step 3: Cross multiply
   22,784,228.76x = 31,442,531 × 12,470,730.42
4. Step 4: Simplify right side
   22,784,228.76x = 392,111,327,823,493
5. Step 5: Solve for x
   x = 392,111,327,823,493/22,784,228.76
6. Step 6: Final answer
   x = 17,209,769.62