Finding the Fourth Proportional to 58,728, 88,104.96 and 21,792

Step by Step Solution

1. Step 1: Write the proportion equation
   58,728 : 88,104.96 = 21,792 : x
2. Step 2: Convert to fraction form
   58,728/88,104.96 = 21,792/x
3. Step 3: Cross multiply
   58,728x = 88,104.96 × 21,792
4. Step 4: Simplify right side
   58,728x = 1,919,983,288.32
5. Step 5: Solve for x
   x = 1,919,983,288.32/58,728
6. Step 6: Final answer
   x = 32,692.81