Finding the Fourth Proportional to 80,980.62, 111,753.42 and 45,169.71

Step by Step Solution

1. Step 1: Write the proportion equation
   80,980.62 : 111,753.42 = 45,169.71 : x
2. Step 2: Convert to fraction form
   80,980.62/111,753.42 = 45,169.71/x
3. Step 3: Cross multiply
   80,980.62x = 111,753.42 × 45,169.71
4. Step 4: Simplify right side
   80,980.62x = 5,047,869,572.91
5. Step 5: Solve for x
   x = 5,047,869,572.91/80,980.62
6. Step 6: Final answer
   x = 62,334.29