Finding the Fourth Proportional to 9,105.56, 13,661.60 and 3,562.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105.56 : 13,661.60 = 3,562.88 : x
2. Step 2: Convert to fraction form
   9,105.56/13,661.60 = 3,562.88/x
3. Step 3: Cross multiply
   9,105.56x = 13,661.60 × 3,562.88
4. Step 4: Simplify right side
   9,105.56x = 48,674,623.59
5. Step 5: Solve for x
   x = 48,674,623.59/9,105.56
6. Step 6: Final answer
   x = 5,345.59