Finding the Fourth Proportional to 10,395.55, 14,345.85 and 5,679.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,395.55 : 14,345.85 = 5,679.83 : x
2. Step 2: Convert to fraction form
   10,395.55/14,345.85 = 5,679.83/x
3. Step 3: Cross multiply
   10,395.55x = 14,345.85 × 5,679.83
4. Step 4: Simplify right side
   10,395.55x = 81,481,989.21
5. Step 5: Solve for x
   x = 81,481,989.21/10,395.55
6. Step 6: Final answer
   x = 7,838.16