Finding the Fourth Proportional to 12,284, 18,428.88 and 4,076

Step by Step Solution

1. Step 1: Write the proportion equation
   12,284 : 18,428.88 = 4,076 : x
2. Step 2: Convert to fraction form
   12,284/18,428.88 = 4,076/x
3. Step 3: Cross multiply
   12,284x = 18,428.88 × 4,076
4. Step 4: Simplify right side
   12,284x = 75,116,114.88
5. Step 5: Solve for x
   x = 75,116,114.88/12,284
6. Step 6: Final answer
   x = 6,114.96