Finding the Fourth Proportional to 10,827.72, 14,942.40 and 5,859.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,827.72 : 14,942.40 = 5,859.72 : x
2. Step 2: Convert to fraction form
   10,827.72/14,942.40 = 5,859.72/x
3. Step 3: Cross multiply
   10,827.72x = 14,942.40 × 5,859.72
4. Step 4: Simplify right side
   10,827.72x = 87,558,280.13
5. Step 5: Solve for x
   x = 87,558,280.13/10,827.72
6. Step 6: Final answer
   x = 8,086.49