Finding the Fourth Proportional to 12,851.27, 19,279.10 and 4,417.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,851.27 : 19,279.10 = 4,417.37 : x
2. Step 2: Convert to fraction form
   12,851.27/19,279.10 = 4,417.37/x
3. Step 3: Cross multiply
   12,851.27x = 19,279.10 × 4,417.37
4. Step 4: Simplify right side
   12,851.27x = 85,162,799.48
5. Step 5: Solve for x
   x = 85,162,799.48/12,851.27
6. Step 6: Final answer
   x = 6,626.80