Finding the Fourth Proportional to 19,587.89, 27,035.55 and 12,038.18

Step by Step Solution

1. Step 1: Write the proportion equation
   19,587.89 : 27,035.55 = 12,038.18 : x
2. Step 2: Convert to fraction form
   19,587.89/27,035.55 = 12,038.18/x
3. Step 3: Cross multiply
   19,587.89x = 27,035.55 × 12,038.18
4. Step 4: Simplify right side
   19,587.89x = 325,458,817.30
5. Step 5: Solve for x
   x = 325,458,817.30/19,587.89
6. Step 6: Final answer
   x = 16,615.31