Finding the Fourth Proportional to 11,053.59, 16,578.23 and 3,260.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,053.59 : 16,578.23 = 3,260.31 : x
2. Step 2: Convert to fraction form
   11,053.59/16,578.23 = 3,260.31/x
3. Step 3: Cross multiply
   11,053.59x = 16,578.23 × 3,260.31
4. Step 4: Simplify right side
   11,053.59x = 54,050,152.75
5. Step 5: Solve for x
   x = 54,050,152.75/11,053.59
6. Step 6: Final answer
   x = 4,889.83