Finding the Fourth Proportional to 80,980.41, 111,752.91 and 45,170.42

Step by Step Solution

1. Step 1: Write the proportion equation
   80,980.41 : 111,752.91 = 45,170.42 : x
2. Step 2: Convert to fraction form
   80,980.41/111,752.91 = 45,170.42/x
3. Step 3: Cross multiply
   80,980.41x = 111,752.91 × 45,170.42
4. Step 4: Simplify right side
   80,980.41x = 5,047,925,322.16
5. Step 5: Solve for x
   x = 5,047,925,322.16/80,980.41
6. Step 6: Final answer
   x = 62,335.14