Finding the Fourth Proportional to 10,395.30, 14,345.50 and 5,679.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,395.30 : 14,345.50 = 5,679.58 : x
2. Step 2: Convert to fraction form
   10,395.30/14,345.50 = 5,679.58/x
3. Step 3: Cross multiply
   10,395.30x = 14,345.50 × 5,679.58
4. Step 4: Simplify right side
   10,395.30x = 81,476,414.89
5. Step 5: Solve for x
   x = 81,476,414.89/10,395.30
6. Step 6: Final answer
   x = 7,837.81