Finding the Fourth Proportional to 8,737.02, 12,055.71 and 5,380.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,737.02 : 12,055.71 = 5,380.38 : x
2. Step 2: Convert to fraction form
   8,737.02/12,055.71 = 5,380.38/x
3. Step 3: Cross multiply
   8,737.02x = 12,055.71 × 5,380.38
4. Step 4: Simplify right side
   8,737.02x = 64,864,300.97
5. Step 5: Solve for x
   x = 64,864,300.97/8,737.02
6. Step 6: Final answer
   x = 7,424.08