Finding the Fourth Proportional to 18,582.72, 27,870.72 and 7,488.96

Step by Step Solution

1. Step 1: Write the proportion equation
   18,582.72 : 27,870.72 = 7,488.96 : x
2. Step 2: Convert to fraction form
   18,582.72/27,870.72 = 7,488.96/x
3. Step 3: Cross multiply
   18,582.72x = 27,870.72 × 7,488.96
4. Step 4: Simplify right side
   18,582.72x = 208,722,707.25
5. Step 5: Solve for x
   x = 208,722,707.25/18,582.72
6. Step 6: Final answer
   x = 11,232.09