Finding the Fourth Proportional to 10,158.20, 14,018.28 and 5,681.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,158.20 : 14,018.28 = 5,681.96 : x
2. Step 2: Convert to fraction form
   10,158.20/14,018.28 = 5,681.96/x
3. Step 3: Cross multiply
   10,158.20x = 14,018.28 × 5,681.96
4. Step 4: Simplify right side
   10,158.20x = 79,651,306.23
5. Step 5: Solve for x
   x = 79,651,306.23/10,158.20
6. Step 6: Final answer
   x = 7,841.08