Finding the Fourth Proportional to 9,059.13, 13,578.72 and 6,830.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,059.13 : 13,578.72 = 6,830.82 : x
2. Step 2: Convert to fraction form
   9,059.13/13,578.72 = 6,830.82/x
3. Step 3: Cross multiply
   9,059.13x = 13,578.72 × 6,830.82
4. Step 4: Simplify right side
   9,059.13x = 92,753,792.15
5. Step 5: Solve for x
   x = 92,753,792.15/9,059.13
6. Step 6: Final answer
   x = 10,238.71