Finding the Fourth Proportional to 11,538.38, 17,307.34 and 3,747.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,538.38 : 17,307.34 = 3,747.20 : x
2. Step 2: Convert to fraction form
   11,538.38/17,307.34 = 3,747.20/x
3. Step 3: Cross multiply
   11,538.38x = 17,307.34 × 3,747.20
4. Step 4: Simplify right side
   11,538.38x = 64,853,968.54
5. Step 5: Solve for x
   x = 64,853,968.54/11,538.38
6. Step 6: Final answer
   x = 5,620.72