Finding the Fourth Proportional to 48,933, 73,403.16 and 13,875.48

Step by Step Solution

1. Step 1: Write the proportion equation
   48,933 : 73,403.16 = 13,875.48 : x
2. Step 2: Convert to fraction form
   48,933/73,403.16 = 13,875.48/x
3. Step 3: Cross multiply
   48,933x = 73,403.16 × 13,875.48
4. Step 4: Simplify right side
   48,933x = 1,018,504,078.52
5. Step 5: Solve for x
   x = 1,018,504,078.52/48,933
6. Step 6: Final answer
   x = 20,814.26