Finding the Fourth Proportional to 9,418.70, 14,128.52 and 3,575.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,418.70 : 14,128.52 = 3,575.76 : x
2. Step 2: Convert to fraction form
   9,418.70/14,128.52 = 3,575.76/x
3. Step 3: Cross multiply
   9,418.70x = 14,128.52 × 3,575.76
4. Step 4: Simplify right side
   9,418.70x = 50,520,178.80
5. Step 5: Solve for x
   x = 50,520,178.80/9,418.70
6. Step 6: Final answer
   x = 5,363.82