Finding the Fourth Proportional to 9,146.72, 13,725.34 and 3,881.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.72 : 13,725.34 = 3,881.32 : x
2. Step 2: Convert to fraction form
   9,146.72/13,725.34 = 3,881.32/x
3. Step 3: Cross multiply
   9,146.72x = 13,725.34 × 3,881.32
4. Step 4: Simplify right side
   9,146.72x = 53,272,436.65
5. Step 5: Solve for x
   x = 53,272,436.65/9,146.72
6. Step 6: Final answer
   x = 5,824.21