Finding the Fourth Proportional to 9,236.88, 12,737.79 and 5,699.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,236.88 : 12,737.79 = 5,699.34 : x
2. Step 2: Convert to fraction form
   9,236.88/12,737.79 = 5,699.34/x
3. Step 3: Cross multiply
   9,236.88x = 12,737.79 × 5,699.34
4. Step 4: Simplify right side
   9,236.88x = 72,596,996.06
5. Step 5: Solve for x
   x = 72,596,996.06/9,236.88
6. Step 6: Final answer
   x = 7,859.47