Finding the Fourth Proportional to 11,359.83, 15,675.48 and 8,377.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,359.83 : 15,675.48 = 8,377.28 : x
2. Step 2: Convert to fraction form
   11,359.83/15,675.48 = 8,377.28/x
3. Step 3: Cross multiply
   11,359.83x = 15,675.48 × 8,377.28
4. Step 4: Simplify right side
   11,359.83x = 131,317,806.72
5. Step 5: Solve for x
   x = 131,317,806.72/11,359.83
6. Step 6: Final answer
   x = 11,559.84