Finding the Fourth Proportional to 12,784.86, 19,179.72 and 4,017.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,784.86 : 19,179.72 = 4,017.42 : x
2. Step 2: Convert to fraction form
   12,784.86/19,179.72 = 4,017.42/x
3. Step 3: Cross multiply
   12,784.86x = 19,179.72 × 4,017.42
4. Step 4: Simplify right side
   12,784.86x = 77,052,990.72
5. Step 5: Solve for x
   x = 77,052,990.72/12,784.86
6. Step 6: Final answer
   x = 6,026.89