Finding the Fourth Proportional to 18,570.89, 27,843.86 and 7,315.94

Step by Step Solution

1. Step 1: Write the proportion equation
   18,570.89 : 27,843.86 = 7,315.94 : x
2. Step 2: Convert to fraction form
   18,570.89/27,843.86 = 7,315.94/x
3. Step 3: Cross multiply
   18,570.89x = 27,843.86 × 7,315.94
4. Step 4: Simplify right side
   18,570.89x = 203,703,833.33
5. Step 5: Solve for x
   x = 203,703,833.33/18,570.89
6. Step 6: Final answer
   x = 10,968.99