Finding the Fourth Proportional to 12,729.92, 19,088.71 and 4,410.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,729.92 : 19,088.71 = 4,410.41 : x
2. Step 2: Convert to fraction form
   12,729.92/19,088.71 = 4,410.41/x
3. Step 3: Cross multiply
   12,729.92x = 19,088.71 × 4,410.41
4. Step 4: Simplify right side
   12,729.92x = 84,189,037.47
5. Step 5: Solve for x
   x = 84,189,037.47/12,729.92
6. Step 6: Final answer
   x = 6,613.48