Finding the Fourth Proportional to 12,780.83, 19,173.06 and 4,016.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,780.83 : 19,173.06 = 4,016.42 : x
2. Step 2: Convert to fraction form
   12,780.83/19,173.06 = 4,016.42/x
3. Step 3: Cross multiply
   12,780.83x = 19,173.06 × 4,016.42
4. Step 4: Simplify right side
   12,780.83x = 77,007,061.65
5. Step 5: Solve for x
   x = 77,007,061.65/12,780.83
6. Step 6: Final answer
   x = 6,025.20