Finding the Fourth Proportional to 10,291.99, 15,424.42 and 5,614.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,291.99 : 15,424.42 = 5,614.03 : x
2. Step 2: Convert to fraction form
   10,291.99/15,424.42 = 5,614.03/x
3. Step 3: Cross multiply
   10,291.99x = 15,424.42 × 5,614.03
4. Step 4: Simplify right side
   10,291.99x = 86,593,156.61
5. Step 5: Solve for x
   x = 86,593,156.61/10,291.99
6. Step 6: Final answer
   x = 8,413.65