Finding the Fourth Proportional to 53,338, 80,019.96 and 16,402

Step by Step Solution

1. Step 1: Write the proportion equation
   53,338 : 80,019.96 = 16,402 : x
2. Step 2: Convert to fraction form
   53,338/80,019.96 = 16,402/x
3. Step 3: Cross multiply
   53,338x = 80,019.96 × 16,402
4. Step 4: Simplify right side
   53,338x = 1,312,487,383.92
5. Step 5: Solve for x
   x = 1,312,487,383.92/53,338
6. Step 6: Final answer
   x = 24,606.99