Finding the Fourth Proportional to 10,965.01, 15,131.70 and 5,929.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,965.01 : 15,131.70 = 5,929.21 : x
2. Step 2: Convert to fraction form
   10,965.01/15,131.70 = 5,929.21/x
3. Step 3: Cross multiply
   10,965.01x = 15,131.70 × 5,929.21
4. Step 4: Simplify right side
   10,965.01x = 89,719,087.18
5. Step 5: Solve for x
   x = 89,719,087.18/10,965.01
6. Step 6: Final answer
   x = 8,182.31