Finding the Fourth Proportional to 9,712.96, 13,404.18 and 5,737.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,712.96 : 13,404.18 = 5,737.48 : x
2. Step 2: Convert to fraction form
   9,712.96/13,404.18 = 5,737.48/x
3. Step 3: Cross multiply
   9,712.96x = 13,404.18 × 5,737.48
4. Step 4: Simplify right side
   9,712.96x = 76,906,214.67
5. Step 5: Solve for x
   x = 76,906,214.67/9,712.96
6. Step 6: Final answer
   x = 7,917.90