Finding the Fourth Proportional to 80,479, 111,061.02 and 52,184.89

Step by Step Solution

1. Step 1: Write the proportion equation
   80,479 : 111,061.02 = 52,184.89 : x
2. Step 2: Convert to fraction form
   80,479/111,061.02 = 52,184.89/x
3. Step 3: Cross multiply
   80,479x = 111,061.02 × 52,184.89
4. Step 4: Simplify right side
   80,479x = 5,795,707,111.99
5. Step 5: Solve for x
   x = 5,795,707,111.99/80,479
6. Step 6: Final answer
   x = 72,015.15