Finding the Fourth Proportional to 11,538.72, 17,310.24 and 3,749.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,538.72 : 17,310.24 = 3,749.76 : x
2. Step 2: Convert to fraction form
   11,538.72/17,310.24 = 3,749.76/x
3. Step 3: Cross multiply
   11,538.72x = 17,310.24 × 3,749.76
4. Step 4: Simplify right side
   11,538.72x = 64,909,245.54
5. Step 5: Solve for x
   x = 64,909,245.54/11,538.72
6. Step 6: Final answer
   x = 5,625.34