Finding the Fourth Proportional to 7,239.30, 10,855.27 and 3,535.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,239.30 : 10,855.27 = 3,535.98 : x
2. Step 2: Convert to fraction form
   7,239.30/10,855.27 = 3,535.98/x
3. Step 3: Cross multiply
   7,239.30x = 10,855.27 × 3,535.98
4. Step 4: Simplify right side
   7,239.30x = 38,384,017.61
5. Step 5: Solve for x
   x = 38,384,017.61/7,239.30
6. Step 6: Final answer
   x = 5,302.17