Finding the Fourth Proportional to 10,081.28, 13,910.16 and 5,888.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,081.28 : 13,910.16 = 5,888.72 : x
2. Step 2: Convert to fraction form
   10,081.28/13,910.16 = 5,888.72/x
3. Step 3: Cross multiply
   10,081.28x = 13,910.16 × 5,888.72
4. Step 4: Simplify right side
   10,081.28x = 81,913,037.40
5. Step 5: Solve for x
   x = 81,913,037.40/10,081.28
6. Step 6: Final answer
   x = 8,125.26