Finding the Fourth Proportional to 11,745.83, 17,619.62 and 3,425.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,745.83 : 17,619.62 = 3,425.91 : x
2. Step 2: Convert to fraction form
   11,745.83/17,619.62 = 3,425.91/x
3. Step 3: Cross multiply
   11,745.83x = 17,619.62 × 3,425.91
4. Step 4: Simplify right side
   11,745.83x = 60,363,215.22
5. Step 5: Solve for x
   x = 60,363,215.22/11,745.83
6. Step 6: Final answer
   x = 5,139.12