Finding the Fourth Proportional to 80,529.59, 111,113.17 and 48,697.81

Step by Step Solution

1. Step 1: Write the proportion equation
   80,529.59 : 111,113.17 = 48,697.81 : x
2. Step 2: Convert to fraction form
   80,529.59/111,113.17 = 48,697.81/x
3. Step 3: Cross multiply
   80,529.59x = 111,113.17 × 48,697.81
4. Step 4: Simplify right side
   80,529.59x = 5,410,967,641.63
5. Step 5: Solve for x
   x = 5,410,967,641.63/80,529.59
6. Step 6: Final answer
   x = 67,192.29