Finding the Fourth Proportional to 10,395.09, 14,345.27 and 5,679.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,395.09 : 14,345.27 = 5,679.47 : x
2. Step 2: Convert to fraction form
   10,395.09/14,345.27 = 5,679.47/x
3. Step 3: Cross multiply
   10,395.09x = 14,345.27 × 5,679.47
4. Step 4: Simplify right side
   10,395.09x = 81,473,559.37
5. Step 5: Solve for x
   x = 81,473,559.37/10,395.09
6. Step 6: Final answer
   x = 7,837.70