Finding the Fourth Proportional to 52,209.77, 72,016.71 and 30,974

Step by Step Solution

1. Step 1: Write the proportion equation
   52,209.77 : 72,016.71 = 30,974 : x
2. Step 2: Convert to fraction form
   52,209.77/72,016.71 = 30,974/x
3. Step 3: Cross multiply
   52,209.77x = 72,016.71 × 30,974
4. Step 4: Simplify right side
   52,209.77x = 2,230,645,575.54
5. Step 5: Solve for x
   x = 2,230,645,575.54/52,209.77
6. Step 6: Final answer
   x = 42,724.68