Finding the Fourth Proportional to 12,495.69, 18,730.47 and 5,914.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,495.69 : 18,730.47 = 5,914.05 : x
2. Step 2: Convert to fraction form
   12,495.69/18,730.47 = 5,914.05/x
3. Step 3: Cross multiply
   12,495.69x = 18,730.47 × 5,914.05
4. Step 4: Simplify right side
   12,495.69x = 110,772,936.10
5. Step 5: Solve for x
   x = 110,772,936.10/12,495.69
6. Step 6: Final answer
   x = 8,864.89