Finding the Fourth Proportional to 10,147.66, 14,002.83 and 5,670.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,147.66 : 14,002.83 = 5,670.79 : x
2. Step 2: Convert to fraction form
   10,147.66/14,002.83 = 5,670.79/x
3. Step 3: Cross multiply
   10,147.66x = 14,002.83 × 5,670.79
4. Step 4: Simplify right side
   10,147.66x = 79,407,073.33
5. Step 5: Solve for x
   x = 79,407,073.33/10,147.66
6. Step 6: Final answer
   x = 7,825.16