Finding the Fourth Proportional to 10,687.86, 14,749.23 and 5,908.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,687.86 : 14,749.23 = 5,908.16 : x
2. Step 2: Convert to fraction form
   10,687.86/14,749.23 = 5,908.16/x
3. Step 3: Cross multiply
   10,687.86x = 14,749.23 × 5,908.16
4. Step 4: Simplify right side
   10,687.86x = 87,140,810.72
5. Step 5: Solve for x
   x = 87,140,810.72/10,687.86
6. Step 6: Final answer
   x = 8,153.25