Finding the Fourth Proportional to 49,300.05, 73,945.92 and 21,218.97

Step by Step Solution

1. Step 1: Write the proportion equation
   49,300.05 : 73,945.92 = 21,218.97 : x
2. Step 2: Convert to fraction form
   49,300.05/73,945.92 = 21,218.97/x
3. Step 3: Cross multiply
   49,300.05x = 73,945.92 × 21,218.97
4. Step 4: Simplify right side
   49,300.05x = 1,569,056,258.10
5. Step 5: Solve for x
   x = 1,569,056,258.10/49,300.05
6. Step 6: Final answer
   x = 31,826.67