Finding the Fourth Proportional to 12,873.52, 19,309.06 and 4,106.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,873.52 : 19,309.06 = 4,106.89 : x
2. Step 2: Convert to fraction form
   12,873.52/19,309.06 = 4,106.89/x
3. Step 3: Cross multiply
   12,873.52x = 19,309.06 × 4,106.89
4. Step 4: Simplify right side
   12,873.52x = 79,300,185.42
5. Step 5: Solve for x
   x = 79,300,185.42/12,873.52
6. Step 6: Final answer
   x = 6,159.95