Finding the Fourth Proportional to 9,269.02, 12,791.80 and 5,291.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,269.02 : 12,791.80 = 5,291.42 : x
2. Step 2: Convert to fraction form
   9,269.02/12,791.80 = 5,291.42/x
3. Step 3: Cross multiply
   9,269.02x = 12,791.80 × 5,291.42
4. Step 4: Simplify right side
   9,269.02x = 67,686,786.36
5. Step 5: Solve for x
   x = 67,686,786.36/9,269.02
6. Step 6: Final answer
   x = 7,302.47