Finding the Fourth Proportional to 22,784,229.76, 31,442,532.38 and 12,470,731.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,784,229.76 : 31,442,532.38 = 12,470,731.42 : x
2. Step 2: Convert to fraction form
   22,784,229.76/31,442,532.38 = 12,470,731.42/x
3. Step 3: Cross multiply
   22,784,229.76x = 31,442,532.38 × 12,470,731.42
4. Step 4: Simplify right side
   22,784,229.76x = 392,111,376,475,633.38
5. Step 5: Solve for x
   x = 392,111,376,475,633.38/22,784,229.76
6. Step 6: Final answer
   x = 17,209,771.00