Finding the Fourth Proportional to 53,680.83, 80,496.25 and 19,923.34

Step by Step Solution

1. Step 1: Write the proportion equation
   53,680.83 : 80,496.25 = 19,923.34 : x
2. Step 2: Convert to fraction form
   53,680.83/80,496.25 = 19,923.34/x
3. Step 3: Cross multiply
   53,680.83x = 80,496.25 × 19,923.34
4. Step 4: Simplify right side
   53,680.83x = 1,603,753,856.62
5. Step 5: Solve for x
   x = 1,603,753,856.62/53,680.83
6. Step 6: Final answer
   x = 29,875.73