Finding the Fourth Proportional to 22,471,819.34, 31,011,110.20 and 12,158,542.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,471,819.34 : 31,011,110.20 = 12,158,542.43 : x
2. Step 2: Convert to fraction form
   22,471,819.34/31,011,110.20 = 12,158,542.43/x
3. Step 3: Cross multiply
   22,471,819.34x = 31,011,110.20 × 12,158,542.43
4. Step 4: Simplify right side
   22,471,819.34x = 377,049,899,144,540.12
5. Step 5: Solve for x
   x = 377,049,899,144,540.12/22,471,819.34
6. Step 6: Final answer
   x = 16,778,788.29