Finding the Fourth Proportional to 11,565.57, 17,359.25 and 10,933.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,565.57 : 17,359.25 = 10,933.57 : x
2. Step 2: Convert to fraction form
   11,565.57/17,359.25 = 10,933.57/x
3. Step 3: Cross multiply
   11,565.57x = 17,359.25 × 10,933.57
4. Step 4: Simplify right side
   11,565.57x = 189,798,575.02
5. Step 5: Solve for x
   x = 189,798,575.02/11,565.57
6. Step 6: Final answer
   x = 16,410.65