Finding the Fourth Proportional to 9,103.38, 13,656.29 and 3,181.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.38 : 13,656.29 = 3,181.47 : x
2. Step 2: Convert to fraction form
   9,103.38/13,656.29 = 3,181.47/x
3. Step 3: Cross multiply
   9,103.38x = 13,656.29 × 3,181.47
4. Step 4: Simplify right side
   9,103.38x = 43,447,061.04
5. Step 5: Solve for x
   x = 43,447,061.04/9,103.38
6. Step 6: Final answer
   x = 4,772.63