Finding the Fourth Proportional to 12,259, 18,388.86 and 3,025

Step by Step Solution

1. Step 1: Write the proportion equation
   12,259 : 18,388.86 = 3,025 : x
2. Step 2: Convert to fraction form
   12,259/18,388.86 = 3,025/x
3. Step 3: Cross multiply
   12,259x = 18,388.86 × 3,025
4. Step 4: Simplify right side
   12,259x = 55,626,301.50
5. Step 5: Solve for x
   x = 55,626,301.50/12,259
6. Step 6: Final answer
   x = 4,537.59