Finding the Fourth Proportional to 7,411.57, 11,110.06 and 3,518.71

Step by Step Solution

1. Step 1: Write the proportion equation
   7,411.57 : 11,110.06 = 3,518.71 : x
2. Step 2: Convert to fraction form
   7,411.57/11,110.06 = 3,518.71/x
3. Step 3: Cross multiply
   7,411.57x = 11,110.06 × 3,518.71
4. Step 4: Simplify right side
   7,411.57x = 39,093,079.22
5. Step 5: Solve for x
   x = 39,093,079.22/7,411.57
6. Step 6: Final answer
   x = 5,274.60