Finding the Fourth Proportional to 13,038.29, 17,990.07 and 7,734.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,038.29 : 17,990.07 = 7,734.83 : x
2. Step 2: Convert to fraction form
   13,038.29/17,990.07 = 7,734.83/x
3. Step 3: Cross multiply
   13,038.29x = 17,990.07 × 7,734.83
4. Step 4: Simplify right side
   13,038.29x = 139,150,133.14
5. Step 5: Solve for x
   x = 139,150,133.14/13,038.29
6. Step 6: Final answer
   x = 10,672.42