Finding the Fourth Proportional to 9,268.82, 12,791.90 and 5,290.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,268.82 : 12,791.90 = 5,290.54 : x
2. Step 2: Convert to fraction form
   9,268.82/12,791.90 = 5,290.54/x
3. Step 3: Cross multiply
   9,268.82x = 12,791.90 × 5,290.54
4. Step 4: Simplify right side
   9,268.82x = 67,676,058.63
5. Step 5: Solve for x
   x = 67,676,058.63/9,268.82
6. Step 6: Final answer
   x = 7,301.48