Finding the Fourth Proportional to 49,299.72, 68,083.32 and 31,402.74

Step by Step Solution

1. Step 1: Write the proportion equation
   49,299.72 : 68,083.32 = 31,402.74 : x
2. Step 2: Convert to fraction form
   49,299.72/68,083.32 = 31,402.74/x
3. Step 3: Cross multiply
   49,299.72x = 68,083.32 × 31,402.74
4. Step 4: Simplify right side
   49,299.72x = 2,138,002,796.30
5. Step 5: Solve for x
   x = 2,138,002,796.30/49,299.72
6. Step 6: Final answer
   x = 43,367.44