Finding the Fourth Proportional to 11,419.52, 17,116.70 and 7,469.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,419.52 : 17,116.70 = 7,469.15 : x
2. Step 2: Convert to fraction form
   11,419.52/17,116.70 = 7,469.15/x
3. Step 3: Cross multiply
   11,419.52x = 17,116.70 × 7,469.15
4. Step 4: Simplify right side
   11,419.52x = 127,847,076.88
5. Step 5: Solve for x
   x = 127,847,076.88/11,419.52
6. Step 6: Final answer
   x = 11,195.49