Finding the Fourth Proportional to 10,158.30, 14,018.18 and 5,682.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,158.30 : 14,018.18 = 5,682.55 : x
2. Step 2: Convert to fraction form
   10,158.30/14,018.18 = 5,682.55/x
3. Step 3: Cross multiply
   10,158.30x = 14,018.18 × 5,682.55
4. Step 4: Simplify right side
   10,158.30x = 79,658,987.92
5. Step 5: Solve for x
   x = 79,658,987.92/10,158.30
6. Step 6: Final answer
   x = 7,841.76