Finding the Fourth Proportional to 10,395.73, 14,345.94 and 5,679.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,395.73 : 14,345.94 = 5,679.91 : x
2. Step 2: Convert to fraction form
   10,395.73/14,345.94 = 5,679.91/x
3. Step 3: Cross multiply
   10,395.73x = 14,345.94 × 5,679.91
4. Step 4: Simplify right side
   10,395.73x = 81,483,648.07
5. Step 5: Solve for x
   x = 81,483,648.07/10,395.73
6. Step 6: Final answer
   x = 7,838.18