Finding the Fourth Proportional to 9,131.76, 13,689.41 and 3,284.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.76 : 13,689.41 = 3,284.25 : x
2. Step 2: Convert to fraction form
   9,131.76/13,689.41 = 3,284.25/x
3. Step 3: Cross multiply
   9,131.76x = 13,689.41 × 3,284.25
4. Step 4: Simplify right side
   9,131.76x = 44,959,428.37
5. Step 5: Solve for x
   x = 44,959,428.37/9,131.76
6. Step 6: Final answer
   x = 4,923.41