Finding the Fourth Proportional to 15,942.83, 22,002.54 and 8,774.17

Step by Step Solution

1. Step 1: Write the proportion equation
   15,942.83 : 22,002.54 = 8,774.17 : x
2. Step 2: Convert to fraction form
   15,942.83/22,002.54 = 8,774.17/x
3. Step 3: Cross multiply
   15,942.83x = 22,002.54 × 8,774.17
4. Step 4: Simplify right side
   15,942.83x = 193,054,062.25
5. Step 5: Solve for x
   x = 193,054,062.25/15,942.83
6. Step 6: Final answer
   x = 12,109.15