Finding the Fourth Proportional to 18,386.69, 27,573.98 and 5,903.75

Step by Step Solution

1. Step 1: Write the proportion equation
   18,386.69 : 27,573.98 = 5,903.75 : x
2. Step 2: Convert to fraction form
   18,386.69/27,573.98 = 5,903.75/x
3. Step 3: Cross multiply
   18,386.69x = 27,573.98 × 5,903.75
4. Step 4: Simplify right side
   18,386.69x = 162,789,761.31
5. Step 5: Solve for x
   x = 162,789,761.31/18,386.69
6. Step 6: Final answer
   x = 8,853.68