Finding the Fourth Proportional to 12,766.71, 19,150.37 and 4,868.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,766.71 : 19,150.37 = 4,868.20 : x
2. Step 2: Convert to fraction form
   12,766.71/19,150.37 = 4,868.20/x
3. Step 3: Cross multiply
   12,766.71x = 19,150.37 × 4,868.20
4. Step 4: Simplify right side
   12,766.71x = 93,227,831.23
5. Step 5: Solve for x
   x = 93,227,831.23/12,766.71
6. Step 6: Final answer
   x = 7,302.42