Finding the Fourth Proportional to 53,906.00, 80,856.23 and 20,623.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,906.00 : 80,856.23 = 20,623.50 : x
2. Step 2: Convert to fraction form
   53,906.00/80,856.23 = 20,623.50/x
3. Step 3: Cross multiply
   53,906.00x = 80,856.23 × 20,623.50
4. Step 4: Simplify right side
   53,906.00x = 1,667,538,356.29
5. Step 5: Solve for x
   x = 1,667,538,356.29/53,906.00
6. Step 6: Final answer
   x = 30,934.19