Finding the Fourth Proportional to 11,425.01, 17,137.87 and 3,105

Step by Step Solution

1. Step 1: Write the proportion equation
   11,425.01 : 17,137.87 = 3,105 : x
2. Step 2: Convert to fraction form
   11,425.01/17,137.87 = 3,105/x
3. Step 3: Cross multiply
   11,425.01x = 17,137.87 × 3,105
4. Step 4: Simplify right side
   11,425.01x = 53,213,078.59
5. Step 5: Solve for x
   x = 53,213,078.59/11,425.01
6. Step 6: Final answer
   x = 4,657.60