Finding the Fourth Proportional to 11,255.20, 16,887.03 and 4,680.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,255.20 : 16,887.03 = 4,680.82 : x
2. Step 2: Convert to fraction form
   11,255.20/16,887.03 = 4,680.82/x
3. Step 3: Cross multiply
   11,255.20x = 16,887.03 × 4,680.82
4. Step 4: Simplify right side
   11,255.20x = 79,045,147.76
5. Step 5: Solve for x
   x = 79,045,147.76/11,255.20
6. Step 6: Final answer
   x = 7,022.99