Finding the Fourth Proportional to 9,488.50, 13,094.05 and 5,239.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,488.50 : 13,094.05 = 5,239.56 : x
2. Step 2: Convert to fraction form
   9,488.50/13,094.05 = 5,239.56/x
3. Step 3: Cross multiply
   9,488.50x = 13,094.05 × 5,239.56
4. Step 4: Simplify right side
   9,488.50x = 68,607,060.62
5. Step 5: Solve for x
   x = 68,607,060.62/9,488.50
6. Step 6: Final answer
   x = 7,230.55