Finding the Fourth Proportional to 12,574.30, 18,863.76 and 4,141.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,574.30 : 18,863.76 = 4,141.29 : x
2. Step 2: Convert to fraction form
   12,574.30/18,863.76 = 4,141.29/x
3. Step 3: Cross multiply
   12,574.30x = 18,863.76 × 4,141.29
4. Step 4: Simplify right side
   12,574.30x = 78,120,300.65
5. Step 5: Solve for x
   x = 78,120,300.65/12,574.30
6. Step 6: Final answer
   x = 6,212.70