Finding the Fourth Proportional to 12,587.43, 18,881.34 and 3,227.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,587.43 : 18,881.34 = 3,227.25 : x
2. Step 2: Convert to fraction form
   12,587.43/18,881.34 = 3,227.25/x
3. Step 3: Cross multiply
   12,587.43x = 18,881.34 × 3,227.25
4. Step 4: Simplify right side
   12,587.43x = 60,934,804.52
5. Step 5: Solve for x
   x = 60,934,804.52/12,587.43
6. Step 6: Final answer
   x = 4,840.92