Finding the Fourth Proportional to 80,871.50, 111,601.17 and 45,060.74

Step by Step Solution

1. Step 1: Write the proportion equation
   80,871.50 : 111,601.17 = 45,060.74 : x
2. Step 2: Convert to fraction form
   80,871.50/111,601.17 = 45,060.74/x
3. Step 3: Cross multiply
   80,871.50x = 111,601.17 × 45,060.74
4. Step 4: Simplify right side
   80,871.50x = 5,028,830,747.06
5. Step 5: Solve for x
   x = 5,028,830,747.06/80,871.50
6. Step 6: Final answer
   x = 62,182.98