Finding the Fourth Proportional to 9,117,144.72, 12,580,814.16 and 5,042,676.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,117,144.72 : 12,580,814.16 = 5,042,676.24 : x
2. Step 2: Convert to fraction form
   9,117,144.72/12,580,814.16 = 5,042,676.24/x
3. Step 3: Cross multiply
   9,117,144.72x = 12,580,814.16 × 5,042,676.24
4. Step 4: Simplify right side
   9,117,144.72x = 63,440,972,644,487.56
5. Step 5: Solve for x
   x = 63,440,972,644,487.56/9,117,144.72
6. Step 6: Final answer
   x = 6,958,425.54