Finding the Fourth Proportional to 10,427.52, 15,638.55 and 3,855.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,427.52 : 15,638.55 = 3,855.59 : x
2. Step 2: Convert to fraction form
   10,427.52/15,638.55 = 3,855.59/x
3. Step 3: Cross multiply
   10,427.52x = 15,638.55 × 3,855.59
4. Step 4: Simplify right side
   10,427.52x = 60,295,836.99
5. Step 5: Solve for x
   x = 60,295,836.99/10,427.52
6. Step 6: Final answer
   x = 5,782.38