Finding the Fourth Proportional to 9,560.78, 14,335.59 and 3,710.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,560.78 : 14,335.59 = 3,710.55 : x
2. Step 2: Convert to fraction form
   9,560.78/14,335.59 = 3,710.55/x
3. Step 3: Cross multiply
   9,560.78x = 14,335.59 × 3,710.55
4. Step 4: Simplify right side
   9,560.78x = 53,192,937.39
5. Step 5: Solve for x
   x = 53,192,937.39/9,560.78
6. Step 6: Final answer
   x = 5,563.66