Finding the Fourth Proportional to 12,007.50, 18,014.13 and 3,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,007.50 : 18,014.13 = 3,799.50 : x
2. Step 2: Convert to fraction form
   12,007.50/18,014.13 = 3,799.50/x
3. Step 3: Cross multiply
   12,007.50x = 18,014.13 × 3,799.50
4. Step 4: Simplify right side
   12,007.50x = 68,444,686.94
5. Step 5: Solve for x
   x = 68,444,686.94/12,007.50
6. Step 6: Final answer
   x = 5,700.16