Finding the Fourth Proportional to 11,487.48, 17,217.31 and 5,238.93

Step by Step Solution

1. Step 1: Write the proportion equation
   11,487.48 : 17,217.31 = 5,238.93 : x
2. Step 2: Convert to fraction form
   11,487.48/17,217.31 = 5,238.93/x
3. Step 3: Cross multiply
   11,487.48x = 17,217.31 × 5,238.93
4. Step 4: Simplify right side
   11,487.48x = 90,200,281.88
5. Step 5: Solve for x
   x = 90,200,281.88/11,487.48
6. Step 6: Final answer
   x = 7,852.05