Finding the Fourth Proportional to 43,559.76, 65,350.56 and 12,395

Step by Step Solution

1. Step 1: Write the proportion equation
   43,559.76 : 65,350.56 = 12,395 : x
2. Step 2: Convert to fraction form
   43,559.76/65,350.56 = 12,395/x
3. Step 3: Cross multiply
   43,559.76x = 65,350.56 × 12,395
4. Step 4: Simplify right side
   43,559.76x = 810,020,191.20
5. Step 5: Solve for x
   x = 810,020,191.20/43,559.76
6. Step 6: Final answer
   x = 18,595.61