Finding the Fourth Proportional to 11,850.38, 17,776.61 and 3,085.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,850.38 : 17,776.61 = 3,085.30 : x
2. Step 2: Convert to fraction form
   11,850.38/17,776.61 = 3,085.30/x
3. Step 3: Cross multiply
   11,850.38x = 17,776.61 × 3,085.30
4. Step 4: Simplify right side
   11,850.38x = 54,846,174.83
5. Step 5: Solve for x
   x = 54,846,174.83/11,850.38
6. Step 6: Final answer
   x = 4,628.22