Finding the Fourth Proportional to 8,958.83, 12,363.17 and 4,980.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,958.83 : 12,363.17 = 4,980.29 : x
2. Step 2: Convert to fraction form
   8,958.83/12,363.17 = 4,980.29/x
3. Step 3: Cross multiply
   8,958.83x = 12,363.17 × 4,980.29
4. Step 4: Simplify right side
   8,958.83x = 61,572,085.20
5. Step 5: Solve for x
   x = 61,572,085.20/8,958.83
6. Step 6: Final answer
   x = 6,872.79