Finding the Fourth Proportional to 49,606.92, 68,430.28 and 31,424.34

Step by Step Solution

1. Step 1: Write the proportion equation
   49,606.92 : 68,430.28 = 31,424.34 : x
2. Step 2: Convert to fraction form
   49,606.92/68,430.28 = 31,424.34/x
3. Step 3: Cross multiply
   49,606.92x = 68,430.28 × 31,424.34
4. Step 4: Simplify right side
   49,606.92x = 2,150,376,385.02
5. Step 5: Solve for x
   x = 2,150,376,385.02/49,606.92
6. Step 6: Final answer
   x = 43,348.31