Finding the Fourth Proportional to 9,291.08, 12,821.72 and 5,042.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,291.08 : 12,821.72 = 5,042.14 : x
2. Step 2: Convert to fraction form
   9,291.08/12,821.72 = 5,042.14/x
3. Step 3: Cross multiply
   9,291.08x = 12,821.72 × 5,042.14
4. Step 4: Simplify right side
   9,291.08x = 64,648,878.38
5. Step 5: Solve for x
   x = 64,648,878.38/9,291.08
6. Step 6: Final answer
   x = 6,958.17