Finding the Fourth Proportional to 10,386.83, 14,334.63 and 5,910.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,386.83 : 14,334.63 = 5,910.77 : x
2. Step 2: Convert to fraction form
   10,386.83/14,334.63 = 5,910.77/x
3. Step 3: Cross multiply
   10,386.83x = 14,334.63 × 5,910.77
4. Step 4: Simplify right side
   10,386.83x = 84,728,629.29
5. Step 5: Solve for x
   x = 84,728,629.29/10,386.83
6. Step 6: Final answer
   x = 8,157.32