Finding the Fourth Proportional to 13,832.32, 20,736.72 and 5,061.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,832.32 : 20,736.72 = 5,061.28 : x
2. Step 2: Convert to fraction form
   13,832.32/20,736.72 = 5,061.28/x
3. Step 3: Cross multiply
   13,832.32x = 20,736.72 × 5,061.28
4. Step 4: Simplify right side
   13,832.32x = 104,954,346.20
5. Step 5: Solve for x
   x = 104,954,346.20/13,832.32
6. Step 6: Final answer
   x = 7,587.62