Finding the Fourth Proportional to 28,514.86, 42,771.57 and 7,737.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,514.86 : 42,771.57 = 7,737.82 : x
2. Step 2: Convert to fraction form
   28,514.86/42,771.57 = 7,737.82/x
3. Step 3: Cross multiply
   28,514.86x = 42,771.57 × 7,737.82
4. Step 4: Simplify right side
   28,514.86x = 330,958,709.78
5. Step 5: Solve for x
   x = 330,958,709.78/28,514.86
6. Step 6: Final answer
   x = 11,606.53