Finding the Fourth Proportional to 19,118.69, 28,667.01 and 7,418.24

Step by Step Solution

1. Step 1: Write the proportion equation
   19,118.69 : 28,667.01 = 7,418.24 : x
2. Step 2: Convert to fraction form
   19,118.69/28,667.01 = 7,418.24/x
3. Step 3: Cross multiply
   19,118.69x = 28,667.01 × 7,418.24
4. Step 4: Simplify right side
   19,118.69x = 212,658,760.26
5. Step 5: Solve for x
   x = 212,658,760.26/19,118.69
6. Step 6: Final answer
   x = 11,123.08