Finding the Fourth Proportional to 12,074.87, 18,117.50 and 5,839.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,074.87 : 18,117.50 = 5,839.56 : x
2. Step 2: Convert to fraction form
   12,074.87/18,117.50 = 5,839.56/x
3. Step 3: Cross multiply
   12,074.87x = 18,117.50 × 5,839.56
4. Step 4: Simplify right side
   12,074.87x = 105,798,199.10
5. Step 5: Solve for x
   x = 105,798,199.10/12,074.87
6. Step 6: Final answer
   x = 8,761.85