Finding the Fourth Proportional to 10,134.67, 13,987.26 and 5,658.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,134.67 : 13,987.26 = 5,658.71 : x
2. Step 2: Convert to fraction form
   10,134.67/13,987.26 = 5,658.71/x
3. Step 3: Cross multiply
   10,134.67x = 13,987.26 × 5,658.71
4. Step 4: Simplify right side
   10,134.67x = 79,149,848.03
5. Step 5: Solve for x
   x = 79,149,848.03/10,134.67
6. Step 6: Final answer
   x = 7,809.81