Finding the Fourth Proportional to 80,838.21, 111,556.89 and 46,853.31

Step by Step Solution

1. Step 1: Write the proportion equation
   80,838.21 : 111,556.89 = 46,853.31 : x
2. Step 2: Convert to fraction form
   80,838.21/111,556.89 = 46,853.31/x
3. Step 3: Cross multiply
   80,838.21x = 111,556.89 × 46,853.31
4. Step 4: Simplify right side
   80,838.21x = 5,226,809,549.81
5. Step 5: Solve for x
   x = 5,226,809,549.81/80,838.21
6. Step 6: Final answer
   x = 64,657.66