Finding the Fourth Proportional to 10,134.47, 13,986.34 and 5,658.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,134.47 : 13,986.34 = 5,658.41 : x
2. Step 2: Convert to fraction form
   10,134.47/13,986.34 = 5,658.41/x
3. Step 3: Cross multiply
   10,134.47x = 13,986.34 × 5,658.41
4. Step 4: Simplify right side
   10,134.47x = 79,140,466.94
5. Step 5: Solve for x
   x = 79,140,466.94/10,134.47
6. Step 6: Final answer
   x = 7,809.04