Finding the Fourth Proportional to 7,411.94, 11,105.58 and 5,216.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,411.94 : 11,105.58 = 5,216.06 : x
2. Step 2: Convert to fraction form
   7,411.94/11,105.58 = 5,216.06/x
3. Step 3: Cross multiply
   7,411.94x = 11,105.58 × 5,216.06
4. Step 4: Simplify right side
   7,411.94x = 57,927,371.61
5. Step 5: Solve for x
   x = 57,927,371.61/7,411.94
6. Step 6: Final answer
   x = 7,815.41