Finding the Fourth Proportional to 308,364.72, 425,674.49 and 187,544.82

Step by Step Solution

1. Step 1: Write the proportion equation
   308,364.72 : 425,674.49 = 187,544.82 : x
2. Step 2: Convert to fraction form
   308,364.72/425,674.49 = 187,544.82/x
3. Step 3: Cross multiply
   308,364.72x = 425,674.49 × 187,544.82
4. Step 4: Simplify right side
   308,364.72x = 79,833,044,924.72
5. Step 5: Solve for x
   x = 79,833,044,924.72/308,364.72
6. Step 6: Final answer
   x = 258,891.63