Finding the Fourth Proportional to 10,744.32, 16,041.28 and 10,085.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,744.32 : 16,041.28 = 10,085.12 : x
2. Step 2: Convert to fraction form
   10,744.32/16,041.28 = 10,085.12/x
3. Step 3: Cross multiply
   10,744.32x = 16,041.28 × 10,085.12
4. Step 4: Simplify right side
   10,744.32x = 161,778,233.75
5. Step 5: Solve for x
   x = 161,778,233.75/10,744.32
6. Step 6: Final answer
   x = 15,057.09