Finding the Fourth Proportional to 10,720.33, 16,085.97 and 5,104.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,720.33 : 16,085.97 = 5,104.34 : x
2. Step 2: Convert to fraction form
   10,720.33/16,085.97 = 5,104.34/x
3. Step 3: Cross multiply
   10,720.33x = 16,085.97 × 5,104.34
4. Step 4: Simplify right side
   10,720.33x = 82,108,260.11
5. Step 5: Solve for x
   x = 82,108,260.11/10,720.33
6. Step 6: Final answer
   x = 7,659.12