Finding the Fourth Proportional to 9,157,674.24, 12,637,638.72 and 5,721,906.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,157,674.24 : 12,637,638.72 = 5,721,906.24 : x
2. Step 2: Convert to fraction form
   9,157,674.24/12,637,638.72 = 5,721,906.24/x
3. Step 3: Cross multiply
   9,157,674.24x = 12,637,638.72 × 5,721,906.24
4. Step 4: Simplify right side
   9,157,674.24x = 72,311,383,850,833.62
5. Step 5: Solve for x
   x = 72,311,383,850,833.62/9,157,674.24
6. Step 6: Final answer
   x = 7,896,260.77