Finding the Fourth Proportional to 80,980.16, 111,755.40 and 46,986.08

Step by Step Solution

1. Step 1: Write the proportion equation
   80,980.16 : 111,755.40 = 46,986.08 : x
2. Step 2: Convert to fraction form
   80,980.16/111,755.40 = 46,986.08/x
3. Step 3: Cross multiply
   80,980.16x = 111,755.40 × 46,986.08
4. Step 4: Simplify right side
   80,980.16x = 5,250,948,164.83
5. Step 5: Solve for x
   x = 5,250,948,164.83/80,980.16
6. Step 6: Final answer
   x = 64,842.40