Finding the Fourth Proportional to 10,839.47, 16,258.03 and 7,351.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,839.47 : 16,258.03 = 7,351.86 : x
2. Step 2: Convert to fraction form
   10,839.47/16,258.03 = 7,351.86/x
3. Step 3: Cross multiply
   10,839.47x = 16,258.03 × 7,351.86
4. Step 4: Simplify right side
   10,839.47x = 119,526,760.44
5. Step 5: Solve for x
   x = 119,526,760.44/10,839.47
6. Step 6: Final answer
   x = 11,026.99