Finding the Fourth Proportional to 8,019.39, 11,066.53 and 4,434.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,019.39 : 11,066.53 = 4,434.61 : x
2. Step 2: Convert to fraction form
   8,019.39/11,066.53 = 4,434.61/x
3. Step 3: Cross multiply
   8,019.39x = 11,066.53 × 4,434.61
4. Step 4: Simplify right side
   8,019.39x = 49,075,744.60
5. Step 5: Solve for x
   x = 49,075,744.60/8,019.39
6. Step 6: Final answer
   x = 6,119.64