Finding the Fourth Proportional to 11,499.24, 17,245.77 and 3,177.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,499.24 : 17,245.77 = 3,177.30 : x
2. Step 2: Convert to fraction form
   11,499.24/17,245.77 = 3,177.30/x
3. Step 3: Cross multiply
   11,499.24x = 17,245.77 × 3,177.30
4. Step 4: Simplify right side
   11,499.24x = 54,794,985.02
5. Step 5: Solve for x
   x = 54,794,985.02/11,499.24
6. Step 6: Final answer
   x = 4,765.10