Finding the Fourth Proportional to 11,254.96, 16,878.56 and 5,330.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,254.96 : 16,878.56 = 5,330.96 : x
2. Step 2: Convert to fraction form
   11,254.96/16,878.56 = 5,330.96/x
3. Step 3: Cross multiply
   11,254.96x = 16,878.56 × 5,330.96
4. Step 4: Simplify right side
   11,254.96x = 89,978,928.22
5. Step 5: Solve for x
   x = 89,978,928.22/11,254.96
6. Step 6: Final answer
   x = 7,994.60