Finding the Fourth Proportional to 83,704.78, 115,512.24 and 45,978.22

Step by Step Solution

1. Step 1: Write the proportion equation
   83,704.78 : 115,512.24 = 45,978.22 : x
2. Step 2: Convert to fraction form
   83,704.78/115,512.24 = 45,978.22/x
3. Step 3: Cross multiply
   83,704.78x = 115,512.24 × 45,978.22
4. Step 4: Simplify right side
   83,704.78x = 5,311,047,183.41
5. Step 5: Solve for x
   x = 5,311,047,183.41/83,704.78
6. Step 6: Final answer
   x = 63,449.75