Finding the Fourth Proportional to 22,571,815.06, 31,149,287.85 and 12,258,612.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,571,815.06 : 31,149,287.85 = 12,258,612.10 : x
2. Step 2: Convert to fraction form
   22,571,815.06/31,149,287.85 = 12,258,612.10/x
3. Step 3: Cross multiply
   22,571,815.06x = 31,149,287.85 × 12,258,612.10
4. Step 4: Simplify right side
   22,571,815.06x = 381,847,036,944,393
5. Step 5: Solve for x
   x = 381,847,036,944,393/22,571,815.06
6. Step 6: Final answer
   x = 16,916,984.12