Finding the Fourth Proportional to 10,390.27, 14,336.90 and 5,914.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,390.27 : 14,336.90 = 5,914.10 : x
2. Step 2: Convert to fraction form
   10,390.27/14,336.90 = 5,914.10/x
3. Step 3: Cross multiply
   10,390.27x = 14,336.90 × 5,914.10
4. Step 4: Simplify right side
   10,390.27x = 84,789,759.04
5. Step 5: Solve for x
   x = 84,789,759.04/10,390.27
6. Step 6: Final answer
   x = 8,160.50