Finding the Fourth Proportional to 12,280.06, 18,423.18 and 4,882.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,280.06 : 18,423.18 = 4,882.06 : x
2. Step 2: Convert to fraction form
   12,280.06/18,423.18 = 4,882.06/x
3. Step 3: Cross multiply
   12,280.06x = 18,423.18 × 4,882.06
4. Step 4: Simplify right side
   12,280.06x = 89,943,070.15
5. Step 5: Solve for x
   x = 89,943,070.15/12,280.06
6. Step 6: Final answer
   x = 7,324.32