Finding the Fourth Proportional to 19,081.54, 28,626.86 and 7,982.06

Step by Step Solution

1. Step 1: Write the proportion equation
   19,081.54 : 28,626.86 = 7,982.06 : x
2. Step 2: Convert to fraction form
   19,081.54/28,626.86 = 7,982.06/x
3. Step 3: Cross multiply
   19,081.54x = 28,626.86 × 7,982.06
4. Step 4: Simplify right side
   19,081.54x = 228,501,314.13
5. Step 5: Solve for x
   x = 228,501,314.13/19,081.54
6. Step 6: Final answer
   x = 11,974.99