Finding the Fourth Proportional to 45,943.50, 68,933.86 and 31,143.98

Step by Step Solution

1. Step 1: Write the proportion equation
   45,943.50 : 68,933.86 = 31,143.98 : x
2. Step 2: Convert to fraction form
   45,943.50/68,933.86 = 31,143.98/x
3. Step 3: Cross multiply
   45,943.50x = 68,933.86 × 31,143.98
4. Step 4: Simplify right side
   45,943.50x = 2,146,874,757.16
5. Step 5: Solve for x
   x = 2,146,874,757.16/45,943.50
6. Step 6: Final answer
   x = 46,728.59