Finding the Fourth Proportional to 80,311, 110,830.78 and 46,779.16

Step by Step Solution

1. Step 1: Write the proportion equation
   80,311 : 110,830.78 = 46,779.16 : x
2. Step 2: Convert to fraction form
   80,311/110,830.78 = 46,779.16/x
3. Step 3: Cross multiply
   80,311x = 110,830.78 × 46,779.16
4. Step 4: Simplify right side
   80,311x = 5,184,570,790.54
5. Step 5: Solve for x
   x = 5,184,570,790.54/80,311
6. Step 6: Final answer
   x = 64,556.17