Finding the Fourth Proportional to 22,815,189, 31,484,960.82 and 13,157,397

Step by Step Solution

1. Step 1: Write the proportion equation
   22,815,189 : 31,484,960.82 = 13,157,397 : x
2. Step 2: Convert to fraction form
   22,815,189/31,484,960.82 = 13,157,397/x
3. Step 3: Cross multiply
   22,815,189x = 31,484,960.82 × 13,157,397
4. Step 4: Simplify right side
   22,815,189x = 414,260,129,038,185.56
5. Step 5: Solve for x
   x = 414,260,129,038,185.56/22,815,189
6. Step 6: Final answer
   x = 18,157,207.86