Finding the Fourth Proportional to 7,406.15, 11,103.98 and 3,705.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,406.15 : 11,103.98 = 3,705.72 : x
2. Step 2: Convert to fraction form
   7,406.15/11,103.98 = 3,705.72/x
3. Step 3: Cross multiply
   7,406.15x = 11,103.98 × 3,705.72
4. Step 4: Simplify right side
   7,406.15x = 41,148,222.24
5. Step 5: Solve for x
   x = 41,148,222.24/7,406.15
6. Step 6: Final answer
   x = 5,555.96