Finding the Fourth Proportional to 22,933,905.05, 31,648,794.12 and 12,620,628.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,933,905.05 : 31,648,794.12 = 12,620,628.15 : x
2. Step 2: Convert to fraction form
   22,933,905.05/31,648,794.12 = 12,620,628.15/x
3. Step 3: Cross multiply
   22,933,905.05x = 31,648,794.12 × 12,620,628.15
4. Step 4: Simplify right side
   22,933,905.05x = 399,427,661,984,426.50
5. Step 5: Solve for x
   x = 399,427,661,984,426.50/22,933,905.05
6. Step 6: Final answer
   x = 17,416,469.68