Finding the Fourth Proportional to 67,659.48, 101,498.94 and 20,916

Step by Step Solution

1. Step 1: Write the proportion equation
   67,659.48 : 101,498.94 = 20,916 : x
2. Step 2: Convert to fraction form
   67,659.48/101,498.94 = 20,916/x
3. Step 3: Cross multiply
   67,659.48x = 101,498.94 × 20,916
4. Step 4: Simplify right side
   67,659.48x = 2,122,951,829.04
5. Step 5: Solve for x
   x = 2,122,951,829.04/67,659.48
6. Step 6: Final answer
   x = 31,377.00