Finding the Fourth Proportional to 11,419.28, 17,126.89 and 3,099.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,419.28 : 17,126.89 = 3,099.94 : x
2. Step 2: Convert to fraction form
   11,419.28/17,126.89 = 3,099.94/x
3. Step 3: Cross multiply
   11,419.28x = 17,126.89 × 3,099.94
4. Step 4: Simplify right side
   11,419.28x = 53,092,331.39
5. Step 5: Solve for x
   x = 53,092,331.39/11,419.28
6. Step 6: Final answer
   x = 4,649.36