Finding the Fourth Proportional to 13,219.17, 19,822.42 and 7,674.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,219.17 : 19,822.42 = 7,674.04 : x
2. Step 2: Convert to fraction form
   13,219.17/19,822.42 = 7,674.04/x
3. Step 3: Cross multiply
   13,219.17x = 19,822.42 × 7,674.04
4. Step 4: Simplify right side
   13,219.17x = 152,118,078.35
5. Step 5: Solve for x
   x = 152,118,078.35/13,219.17
6. Step 6: Final answer
   x = 11,507.39