Finding the Fourth Proportional to 14,146.83, 21,219.86 and 4,786.79

Step by Step Solution

1. Step 1: Write the proportion equation
   14,146.83 : 21,219.86 = 4,786.79 : x
2. Step 2: Convert to fraction form
   14,146.83/21,219.86 = 4,786.79/x
3. Step 3: Cross multiply
   14,146.83x = 21,219.86 × 4,786.79
4. Step 4: Simplify right side
   14,146.83x = 101,574,919.52
5. Step 5: Solve for x
   x = 101,574,919.52/14,146.83
6. Step 6: Final answer
   x = 7,180.05