Finding the Fourth Proportional to 80,529.12, 111,112.29 and 48,697.35

Step by Step Solution

1. Step 1: Write the proportion equation
   80,529.12 : 111,112.29 = 48,697.35 : x
2. Step 2: Convert to fraction form
   80,529.12/111,112.29 = 48,697.35/x
3. Step 3: Cross multiply
   80,529.12x = 111,112.29 × 48,697.35
4. Step 4: Simplify right side
   80,529.12x = 5,410,874,075.43
5. Step 5: Solve for x
   x = 5,410,874,075.43/80,529.12
6. Step 6: Final answer
   x = 67,191.52