Finding the Fourth Proportional to 9,418.86, 14,122.82 and 3,572.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,418.86 : 14,122.82 = 3,572.28 : x
2. Step 2: Convert to fraction form
   9,418.86/14,122.82 = 3,572.28/x
3. Step 3: Cross multiply
   9,418.86x = 14,122.82 × 3,572.28
4. Step 4: Simplify right side
   9,418.86x = 50,450,667.43
5. Step 5: Solve for x
   x = 50,450,667.43/9,418.86
6. Step 6: Final answer
   x = 5,356.35