Finding the Fourth Proportional to 11,402.56, 17,106 and 3,610.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,402.56 : 17,106 = 3,610.72 : x
2. Step 2: Convert to fraction form
   11,402.56/17,106 = 3,610.72/x
3. Step 3: Cross multiply
   11,402.56x = 17,106 × 3,610.72
4. Step 4: Simplify right side
   11,402.56x = 61,764,976.32
5. Step 5: Solve for x
   x = 61,764,976.32/11,402.56
6. Step 6: Final answer
   x = 5,416.76