Finding the Fourth Proportional to 9,131.46, 13,691.01 and 3,581.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.46 : 13,691.01 = 3,581.34 : x
2. Step 2: Convert to fraction form
   9,131.46/13,691.01 = 3,581.34/x
3. Step 3: Cross multiply
   9,131.46x = 13,691.01 × 3,581.34
4. Step 4: Simplify right side
   9,131.46x = 49,032,161.75
5. Step 5: Solve for x
   x = 49,032,161.75/9,131.46
6. Step 6: Final answer
   x = 5,369.59