Finding the Fourth Proportional to 17,343,078.72, 26,006,105.37 and 8,579,231.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,343,078.72 : 26,006,105.37 = 8,579,231.61 : x
2. Step 2: Convert to fraction form
   17,343,078.72/26,006,105.37 = 8,579,231.61/x
3. Step 3: Cross multiply
   17,343,078.72x = 26,006,105.37 × 8,579,231.61
4. Step 4: Simplify right side
   17,343,078.72x = 223,112,401,243,294.75
5. Step 5: Solve for x
   x = 223,112,401,243,294.75/17,343,078.72
6. Step 6: Final answer
   x = 12,864,636.37