Finding the Fourth Proportional to 69,243.98, 103,824.42 and 31,757.08

Step by Step Solution

1. Step 1: Write the proportion equation
   69,243.98 : 103,824.42 = 31,757.08 : x
2. Step 2: Convert to fraction form
   69,243.98/103,824.42 = 31,757.08/x
3. Step 3: Cross multiply
   69,243.98x = 103,824.42 × 31,757.08
4. Step 4: Simplify right side
   69,243.98x = 3,297,160,411.89
5. Step 5: Solve for x
   x = 3,297,160,411.89/69,243.98
6. Step 6: Final answer
   x = 47,616.56