Finding the Fourth Proportional to 8,722.37, 12,030.77 and 5,737.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,722.37 : 12,030.77 = 5,737.25 : x
2. Step 2: Convert to fraction form
   8,722.37/12,030.77 = 5,737.25/x
3. Step 3: Cross multiply
   8,722.37x = 12,030.77 × 5,737.25
4. Step 4: Simplify right side
   8,722.37x = 69,023,446.34
5. Step 5: Solve for x
   x = 69,023,446.34/8,722.37
6. Step 6: Final answer
   x = 7,913.39