Finding the Fourth Proportional to 48,443.83, 72,665.73 and 13,383.49

Step by Step Solution

1. Step 1: Write the proportion equation
   48,443.83 : 72,665.73 = 13,383.49 : x
2. Step 2: Convert to fraction form
   48,443.83/72,665.73 = 13,383.49/x
3. Step 3: Cross multiply
   48,443.83x = 72,665.73 × 13,383.49
4. Step 4: Simplify right side
   48,443.83x = 972,521,070.80
5. Step 5: Solve for x
   x = 972,521,070.80/48,443.83
6. Step 6: Final answer
   x = 20,075.23