Finding the Fourth Proportional to 11,480.91, 17,218.52 and 3,160.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,480.91 : 17,218.52 = 3,160.52 : x
2. Step 2: Convert to fraction form
   11,480.91/17,218.52 = 3,160.52/x
3. Step 3: Cross multiply
   11,480.91x = 17,218.52 × 3,160.52
4. Step 4: Simplify right side
   11,480.91x = 54,419,476.83
5. Step 5: Solve for x
   x = 54,419,476.83/11,480.91
6. Step 6: Final answer
   x = 4,740.00