Finding the Fourth Proportional to 9,290.99, 13,936.42 and 2,271.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,290.99 : 13,936.42 = 2,271.04 : x
2. Step 2: Convert to fraction form
   9,290.99/13,936.42 = 2,271.04/x
3. Step 3: Cross multiply
   9,290.99x = 13,936.42 × 2,271.04
4. Step 4: Simplify right side
   9,290.99x = 31,650,097.59
5. Step 5: Solve for x
   x = 31,650,097.59/9,290.99
6. Step 6: Final answer
   x = 3,406.54