Finding the Fourth Proportional to 12,746.50, 19,118.23 and 3,387.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,746.50 : 19,118.23 = 3,387.22 : x
2. Step 2: Convert to fraction form
   12,746.50/19,118.23 = 3,387.22/x
3. Step 3: Cross multiply
   12,746.50x = 19,118.23 × 3,387.22
4. Step 4: Simplify right side
   12,746.50x = 64,757,594.76
5. Step 5: Solve for x
   x = 64,757,594.76/12,746.50
6. Step 6: Final answer
   x = 5,080.42