Finding the Fourth Proportional to 16,019.76, 22,111.20 and 9,736.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,019.76 : 22,111.20 = 9,736.32 : x
2. Step 2: Convert to fraction form
   16,019.76/22,111.20 = 9,736.32/x
3. Step 3: Cross multiply
   16,019.76x = 22,111.20 × 9,736.32
4. Step 4: Simplify right side
   16,019.76x = 215,281,718.78
5. Step 5: Solve for x
   x = 215,281,718.78/16,019.76
6. Step 6: Final answer
   x = 13,438.51