Finding the Fourth Proportional to 12,427.56, 18,647.58 and 5,853

Step by Step Solution

1. Step 1: Write the proportion equation
   12,427.56 : 18,647.58 = 5,853 : x
2. Step 2: Convert to fraction form
   12,427.56/18,647.58 = 5,853/x
3. Step 3: Cross multiply
   12,427.56x = 18,647.58 × 5,853
4. Step 4: Simplify right side
   12,427.56x = 109,144,285.74
5. Step 5: Solve for x
   x = 109,144,285.74/12,427.56
6. Step 6: Final answer
   x = 8,782.44