Finding the Fourth Proportional to 7,605.90, 11,401.56 and 3,708.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,605.90 : 11,401.56 = 3,708.18 : x
2. Step 2: Convert to fraction form
   7,605.90/11,401.56 = 3,708.18/x
3. Step 3: Cross multiply
   7,605.90x = 11,401.56 × 3,708.18
4. Step 4: Simplify right side
   7,605.90x = 42,279,036.76
5. Step 5: Solve for x
   x = 42,279,036.76/7,605.90
6. Step 6: Final answer
   x = 5,558.72