Finding the Fourth Proportional to 9,839.66, 14,763.86 and 5,158.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,839.66 : 14,763.86 = 5,158.56 : x
2. Step 2: Convert to fraction form
   9,839.66/14,763.86 = 5,158.56/x
3. Step 3: Cross multiply
   9,839.66x = 14,763.86 × 5,158.56
4. Step 4: Simplify right side
   9,839.66x = 76,160,231.85
5. Step 5: Solve for x
   x = 76,160,231.85/9,839.66
6. Step 6: Final answer
   x = 7,740.13