Finding the Fourth Proportional to 9,155.19, 13,732.47 and 3,886.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,155.19 : 13,732.47 = 3,886.82 : x
2. Step 2: Convert to fraction form
   9,155.19/13,732.47 = 3,886.82/x
3. Step 3: Cross multiply
   9,155.19x = 13,732.47 × 3,886.82
4. Step 4: Simplify right side
   9,155.19x = 53,375,570.38
5. Step 5: Solve for x
   x = 53,375,570.38/9,155.19
6. Step 6: Final answer
   x = 5,830.09