Finding the Fourth Proportional to 10,885.88, 15,022.52 and 5,917.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,885.88 : 15,022.52 = 5,917.88 : x
2. Step 2: Convert to fraction form
   10,885.88/15,022.52 = 5,917.88/x
3. Step 3: Cross multiply
   10,885.88x = 15,022.52 × 5,917.88
4. Step 4: Simplify right side
   10,885.88x = 88,901,365.96
5. Step 5: Solve for x
   x = 88,901,365.96/10,885.88
6. Step 6: Final answer
   x = 8,166.67