Finding the Fourth Proportional to 53,322, 73,590.86 and 30,966

Step by Step Solution

1. Step 1: Write the proportion equation
   53,322 : 73,590.86 = 30,966 : x
2. Step 2: Convert to fraction form
   53,322/73,590.86 = 30,966/x
3. Step 3: Cross multiply
   53,322x = 73,590.86 × 30,966
4. Step 4: Simplify right side
   53,322x = 2,278,814,570.76
5. Step 5: Solve for x
   x = 2,278,814,570.76/53,322
6. Step 6: Final answer
   x = 42,736.85