Finding the Fourth Proportional to 22,699,388, 31,325,911.56 and 12,386,676.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,699,388 : 31,325,911.56 = 12,386,676.96 : x
2. Step 2: Convert to fraction form
   22,699,388/31,325,911.56 = 12,386,676.96/x
3. Step 3: Cross multiply
   22,699,388x = 31,325,911.56 × 12,386,676.96
4. Step 4: Simplify right side
   22,699,388x = 388,023,946,971,249.69
5. Step 5: Solve for x
   x = 388,023,946,971,249.69/22,699,388
6. Step 6: Final answer
   x = 17,094,026.81