Finding the Fourth Proportional to 49,593.12, 68,418.72 and 31,683.48

Step by Step Solution

1. Step 1: Write the proportion equation
   49,593.12 : 68,418.72 = 31,683.48 : x
2. Step 2: Convert to fraction form
   49,593.12/68,418.72 = 31,683.48/x
3. Step 3: Cross multiply
   49,593.12x = 68,418.72 × 31,683.48
4. Step 4: Simplify right side
   49,593.12x = 2,167,743,146.75
5. Step 5: Solve for x
   x = 2,167,743,146.75/49,593.12
6. Step 6: Final answer
   x = 43,710.56