Finding the Fourth Proportional to 12,587.76, 18,882.27 and 4,797.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,587.76 : 18,882.27 = 4,797.18 : x
2. Step 2: Convert to fraction form
   12,587.76/18,882.27 = 4,797.18/x
3. Step 3: Cross multiply
   12,587.76x = 18,882.27 × 4,797.18
4. Step 4: Simplify right side
   12,587.76x = 90,581,648.00
5. Step 5: Solve for x
   x = 90,581,648.00/12,587.76
6. Step 6: Final answer
   x = 7,196.01