Finding the Fourth Proportional to 11,434.69, 17,142.18 and 4,419.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,434.69 : 17,142.18 = 4,419.63 : x
2. Step 2: Convert to fraction form
   11,434.69/17,142.18 = 4,419.63/x
3. Step 3: Cross multiply
   11,434.69x = 17,142.18 × 4,419.63
4. Step 4: Simplify right side
   11,434.69x = 75,762,092.99
5. Step 5: Solve for x
   x = 75,762,092.99/11,434.69
6. Step 6: Final answer
   x = 6,625.64