Finding the Fourth Proportional to 80,758.71, 111,455.96 and 48,945.15

Step by Step Solution

1. Step 1: Write the proportion equation
   80,758.71 : 111,455.96 = 48,945.15 : x
2. Step 2: Convert to fraction form
   80,758.71/111,455.96 = 48,945.15/x
3. Step 3: Cross multiply
   80,758.71x = 111,455.96 × 48,945.15
4. Step 4: Simplify right side
   80,758.71x = 5,455,228,435.87
5. Step 5: Solve for x
   x = 5,455,228,435.87/80,758.71
6. Step 6: Final answer
   x = 67,549.72