Finding the Fourth Proportional to 15,013,730.34, 22,410,720.59 and 12,897,414.18

Step by Step Solution

1. Step 1: Write the proportion equation
   15,013,730.34 : 22,410,720.59 = 12,897,414.18 : x
2. Step 2: Convert to fraction form
   15,013,730.34/22,410,720.59 = 12,897,414.18/x
3. Step 3: Cross multiply
   15,013,730.34x = 22,410,720.59 × 12,897,414.18
4. Step 4: Simplify right side
   15,013,730.34x = 289,040,345,456,996.88
5. Step 5: Solve for x
   x = 289,040,345,456,996.88/15,013,730.34
6. Step 6: Final answer
   x = 19,251,734.17