Finding the Fourth Proportional to 8,774.22, 12,111.84 and 5,940.21

Step by Step Solution

1. Step 1: Write the proportion equation
   8,774.22 : 12,111.84 = 5,940.21 : x
2. Step 2: Convert to fraction form
   8,774.22/12,111.84 = 5,940.21/x
3. Step 3: Cross multiply
   8,774.22x = 12,111.84 × 5,940.21
4. Step 4: Simplify right side
   8,774.22x = 71,946,873.09
5. Step 5: Solve for x
   x = 71,946,873.09/8,774.22
6. Step 6: Final answer
   x = 8,199.80