Finding the Fourth Proportional to 13,039.44, 17,996.88 and 7,737.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,039.44 : 17,996.88 = 7,737.18 : x
2. Step 2: Convert to fraction form
   13,039.44/17,996.88 = 7,737.18/x
3. Step 3: Cross multiply
   13,039.44x = 17,996.88 × 7,737.18
4. Step 4: Simplify right side
   13,039.44x = 139,245,100.00
5. Step 5: Solve for x
   x = 139,245,100.00/13,039.44
6. Step 6: Final answer
   x = 10,678.76