Finding the Fourth Proportional to 52,208.77, 72,015.33 and 30,973

Step by Step Solution

1. Step 1: Write the proportion equation
   52,208.77 : 72,015.33 = 30,973 : x
2. Step 2: Convert to fraction form
   52,208.77/72,015.33 = 30,973/x
3. Step 3: Cross multiply
   52,208.77x = 72,015.33 × 30,973
4. Step 4: Simplify right side
   52,208.77x = 2,230,530,816.09
5. Step 5: Solve for x
   x = 2,230,530,816.09/52,208.77
6. Step 6: Final answer
   x = 42,723.30