Finding the Fourth Proportional to 9,272.89, 13,911.12 and 3,031.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,272.89 : 13,911.12 = 3,031.22 : x
2. Step 2: Convert to fraction form
   9,272.89/13,911.12 = 3,031.22/x
3. Step 3: Cross multiply
   9,272.89x = 13,911.12 × 3,031.22
4. Step 4: Simplify right side
   9,272.89x = 42,167,665.17
5. Step 5: Solve for x
   x = 42,167,665.17/9,272.89
6. Step 6: Final answer
   x = 4,547.41