Finding the Fourth Proportional to 9,238.25, 13,856.62 and 3,615.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,238.25 : 13,856.62 = 3,615.99 : x
2. Step 2: Convert to fraction form
   9,238.25/13,856.62 = 3,615.99/x
3. Step 3: Cross multiply
   9,238.25x = 13,856.62 × 3,615.99
4. Step 4: Simplify right side
   9,238.25x = 50,105,423.07
5. Step 5: Solve for x
   x = 50,105,423.07/9,238.25
6. Step 6: Final answer
   x = 5,423.69