Finding the Fourth Proportional to 85,680.89, 118,241.09 and 46,922.12

Step by Step Solution

1. Step 1: Write the proportion equation
   85,680.89 : 118,241.09 = 46,922.12 : x
2. Step 2: Convert to fraction form
   85,680.89/118,241.09 = 46,922.12/x
3. Step 3: Cross multiply
   85,680.89x = 118,241.09 × 46,922.12
4. Step 4: Simplify right side
   85,680.89x = 5,548,123,026.82
5. Step 5: Solve for x
   x = 5,548,123,026.82/85,680.89
6. Step 6: Final answer
   x = 64,753.33