Finding the Fourth Proportional to 7,882.66, 11,826.78 and 3,499.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,882.66 : 11,826.78 = 3,499.72 : x
2. Step 2: Convert to fraction form
   7,882.66/11,826.78 = 3,499.72/x
3. Step 3: Cross multiply
   7,882.66x = 11,826.78 × 3,499.72
4. Step 4: Simplify right side
   7,882.66x = 41,390,418.50
5. Step 5: Solve for x
   x = 41,390,418.50/7,882.66
6. Step 6: Final answer
   x = 5,250.82