Finding the Fourth Proportional to 9,112.10, 13,653.77 and 6,635.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,112.10 : 13,653.77 = 6,635.52 : x
2. Step 2: Convert to fraction form
   9,112.10/13,653.77 = 6,635.52/x
3. Step 3: Cross multiply
   9,112.10x = 13,653.77 × 6,635.52
4. Step 4: Simplify right side
   9,112.10x = 90,599,830.73
5. Step 5: Solve for x
   x = 90,599,830.73/9,112.10
6. Step 6: Final answer
   x = 9,942.81