Finding the Fourth Proportional to 12,084.93, 18,123.03 and 4,185.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,084.93 : 18,123.03 = 4,185.30 : x
2. Step 2: Convert to fraction form
   12,084.93/18,123.03 = 4,185.30/x
3. Step 3: Cross multiply
   12,084.93x = 18,123.03 × 4,185.30
4. Step 4: Simplify right side
   12,084.93x = 75,850,317.46
5. Step 5: Solve for x
   x = 75,850,317.46/12,084.93
6. Step 6: Final answer
   x = 6,276.44