Finding the Fourth Proportional to 9,388.88, 12,956.61 and 5,081.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,388.88 : 12,956.61 = 5,081.96 : x
2. Step 2: Convert to fraction form
   9,388.88/12,956.61 = 5,081.96/x
3. Step 3: Cross multiply
   9,388.88x = 12,956.61 × 5,081.96
4. Step 4: Simplify right side
   9,388.88x = 65,844,973.76
5. Step 5: Solve for x
   x = 65,844,973.76/9,388.88
6. Step 6: Final answer
   x = 7,013.08