Finding the Fourth Proportional to 12,089.42, 18,112.64 and 5,053.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,089.42 : 18,112.64 = 5,053.94 : x
2. Step 2: Convert to fraction form
   12,089.42/18,112.64 = 5,053.94/x
3. Step 3: Cross multiply
   12,089.42x = 18,112.64 × 5,053.94
4. Step 4: Simplify right side
   12,089.42x = 91,540,195.80
5. Step 5: Solve for x
   x = 91,540,195.80/12,089.42
6. Step 6: Final answer
   x = 7,571.93