Finding the Fourth Proportional to 8,958.54, 12,363.54 and 4,980.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,958.54 : 12,363.54 = 4,980.42 : x
2. Step 2: Convert to fraction form
   8,958.54/12,363.54 = 4,980.42/x
3. Step 3: Cross multiply
   8,958.54x = 12,363.54 × 4,980.42
4. Step 4: Simplify right side
   8,958.54x = 61,575,621.89
5. Step 5: Solve for x
   x = 61,575,621.89/8,958.54
6. Step 6: Final answer
   x = 6,873.40