Finding the Fourth Proportional to 9,559.78, 14,334.18 and 3,709.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,559.78 : 14,334.18 = 3,709.56 : x
2. Step 2: Convert to fraction form
   9,559.78/14,334.18 = 3,709.56/x
3. Step 3: Cross multiply
   9,559.78x = 14,334.18 × 3,709.56
4. Step 4: Simplify right side
   9,559.78x = 53,173,500.76
5. Step 5: Solve for x
   x = 53,173,500.76/9,559.78
6. Step 6: Final answer
   x = 5,562.21