Finding the Fourth Proportional to 9,427.18, 14,128.56 and 3,874.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,427.18 : 14,128.56 = 3,874.24 : x
2. Step 2: Convert to fraction form
   9,427.18/14,128.56 = 3,874.24/x
3. Step 3: Cross multiply
   9,427.18x = 14,128.56 × 3,874.24
4. Step 4: Simplify right side
   9,427.18x = 54,737,432.29
5. Step 5: Solve for x
   x = 54,737,432.29/9,427.18
6. Step 6: Final answer
   x = 5,806.34