Finding the Fourth Proportional to 28,445.51, 42,673.22 and 9,727.42

Step by Step Solution

1. Step 1: Write the proportion equation
   28,445.51 : 42,673.22 = 9,727.42 : x
2. Step 2: Convert to fraction form
   28,445.51/42,673.22 = 9,727.42/x
3. Step 3: Cross multiply
   28,445.51x = 42,673.22 × 9,727.42
4. Step 4: Simplify right side
   28,445.51x = 415,100,333.69
5. Step 5: Solve for x
   x = 415,100,333.69/28,445.51
6. Step 6: Final answer
   x = 14,592.82