Finding the Fourth Proportional to 7,411.06, 11,104.24 and 5,215.17

Step by Step Solution

1. Step 1: Write the proportion equation
   7,411.06 : 11,104.24 = 5,215.17 : x
2. Step 2: Convert to fraction form
   7,411.06/11,104.24 = 5,215.17/x
3. Step 3: Cross multiply
   7,411.06x = 11,104.24 × 5,215.17
4. Step 4: Simplify right side
   7,411.06x = 57,910,499.32
5. Step 5: Solve for x
   x = 57,910,499.32/7,411.06
6. Step 6: Final answer
   x = 7,814.06