Finding the Fourth Proportional to 13,038.27, 17,989.40 and 7,734.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,038.27 : 17,989.40 = 7,734.27 : x
2. Step 2: Convert to fraction form
   13,038.27/17,989.40 = 7,734.27/x
3. Step 3: Cross multiply
   13,038.27x = 17,989.40 × 7,734.27
4. Step 4: Simplify right side
   13,038.27x = 139,134,838.07
5. Step 5: Solve for x
   x = 139,134,838.07/13,038.27
6. Step 6: Final answer
   x = 10,671.27