Finding the Fourth Proportional to 11,459.75, 17,191.83 and 5,540.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,459.75 : 17,191.83 = 5,540.72 : x
2. Step 2: Convert to fraction form
   11,459.75/17,191.83 = 5,540.72/x
3. Step 3: Cross multiply
   11,459.75x = 17,191.83 × 5,540.72
4. Step 4: Simplify right side
   11,459.75x = 95,255,116.32
5. Step 5: Solve for x
   x = 95,255,116.32/11,459.75
6. Step 6: Final answer
   x = 8,312.15