Finding the Fourth Proportional to 12,483.42, 17,228.16 and 7,179.95

Step by Step Solution

1. Step 1: Write the proportion equation
   12,483.42 : 17,228.16 = 7,179.95 : x
2. Step 2: Convert to fraction form
   12,483.42/17,228.16 = 7,179.95/x
3. Step 3: Cross multiply
   12,483.42x = 17,228.16 × 7,179.95
4. Step 4: Simplify right side
   12,483.42x = 123,697,241.25
5. Step 5: Solve for x
   x = 123,697,241.25/12,483.42
6. Step 6: Final answer
   x = 9,908.92