Finding the Fourth Proportional to 10,395.03, 14,345.18 and 5,679.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,395.03 : 14,345.18 = 5,679.31 : x
2. Step 2: Convert to fraction form
   10,395.03/14,345.18 = 5,679.31/x
3. Step 3: Cross multiply
   10,395.03x = 14,345.18 × 5,679.31
4. Step 4: Simplify right side
   10,395.03x = 81,470,718.04
5. Step 5: Solve for x
   x = 81,470,718.04/10,395.03
6. Step 6: Final answer
   x = 7,837.47