Finding the Fourth Proportional to 53,467, 73,800.89 and 30,821.13

Step by Step Solution

1. Step 1: Write the proportion equation
   53,467 : 73,800.89 = 30,821.13 : x
2. Step 2: Convert to fraction form
   53,467/73,800.89 = 30,821.13/x
3. Step 3: Cross multiply
   53,467x = 73,800.89 × 30,821.13
4. Step 4: Simplify right side
   53,467x = 2,274,626,824.81
5. Step 5: Solve for x
   x = 2,274,626,824.81/53,467
6. Step 6: Final answer
   x = 42,542.63