Finding the Fourth Proportional to 13,050.72, 19,568.79 and 4,283.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,050.72 : 19,568.79 = 4,283.28 : x
2. Step 2: Convert to fraction form
   13,050.72/19,568.79 = 4,283.28/x
3. Step 3: Cross multiply
   13,050.72x = 19,568.79 × 4,283.28
4. Step 4: Simplify right side
   13,050.72x = 83,818,606.83
5. Step 5: Solve for x
   x = 83,818,606.83/13,050.72
6. Step 6: Final answer
   x = 6,422.53