Finding the Fourth Proportional to 115,773.12, 173,680.34 and 40,936.73

Step by Step Solution

1. Step 1: Write the proportion equation
   115,773.12 : 173,680.34 = 40,936.73 : x
2. Step 2: Convert to fraction form
   115,773.12/173,680.34 = 40,936.73/x
3. Step 3: Cross multiply
   115,773.12x = 173,680.34 × 40,936.73
4. Step 4: Simplify right side
   115,773.12x = 7,109,904,111.80
5. Step 5: Solve for x
   x = 7,109,904,111.80/115,773.12
6. Step 6: Final answer
   x = 61,412.39