Finding the Fourth Proportional to 53,314, 73,579.82 and 30,958

Step by Step Solution

1. Step 1: Write the proportion equation
   53,314 : 73,579.82 = 30,958 : x
2. Step 2: Convert to fraction form
   53,314/73,579.82 = 30,958/x
3. Step 3: Cross multiply
   53,314x = 73,579.82 × 30,958
4. Step 4: Simplify right side
   53,314x = 2,277,884,067.56
5. Step 5: Solve for x
   x = 2,277,884,067.56/53,314
6. Step 6: Final answer
   x = 42,725.81