Finding the Fourth Proportional to 11,914.08, 17,869.76 and 3,149.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,914.08 : 17,869.76 = 3,149.69 : x
2. Step 2: Convert to fraction form
   11,914.08/17,869.76 = 3,149.69/x
3. Step 3: Cross multiply
   11,914.08x = 17,869.76 × 3,149.69
4. Step 4: Simplify right side
   11,914.08x = 56,284,099.28
5. Step 5: Solve for x
   x = 56,284,099.28/11,914.08
6. Step 6: Final answer
   x = 4,724.17