Finding the Fourth Proportional to 10,427.46, 15,647.28 and 3,858.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,427.46 : 15,647.28 = 3,858.24 : x
2. Step 2: Convert to fraction form
   10,427.46/15,647.28 = 3,858.24/x
3. Step 3: Cross multiply
   10,427.46x = 15,647.28 × 3,858.24
4. Step 4: Simplify right side
   10,427.46x = 60,370,961.59
5. Step 5: Solve for x
   x = 60,370,961.59/10,427.46
6. Step 6: Final answer
   x = 5,789.61