Finding the Fourth Proportional to 11,425.86, 17,142.03 and 3,635.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,425.86 : 17,142.03 = 3,635.28 : x
2. Step 2: Convert to fraction form
   11,425.86/17,142.03 = 3,635.28/x
3. Step 3: Cross multiply
   11,425.86x = 17,142.03 × 3,635.28
4. Step 4: Simplify right side
   11,425.86x = 62,316,078.82
5. Step 5: Solve for x
   x = 62,316,078.82/11,425.86
6. Step 6: Final answer
   x = 5,453.95