Finding the Fourth Proportional to 12,381.69, 18,559.50 and 4,059.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,381.69 : 18,559.50 = 4,059.54 : x
2. Step 2: Convert to fraction form
   12,381.69/18,559.50 = 4,059.54/x
3. Step 3: Cross multiply
   12,381.69x = 18,559.50 × 4,059.54
4. Step 4: Simplify right side
   12,381.69x = 75,343,032.63
5. Step 5: Solve for x
   x = 75,343,032.63/12,381.69
6. Step 6: Final answer
   x = 6,085.04