Finding the Fourth Proportional to 11,778.83, 17,647.49 and 6,219.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,778.83 : 17,647.49 = 6,219.94 : x
2. Step 2: Convert to fraction form
   11,778.83/17,647.49 = 6,219.94/x
3. Step 3: Cross multiply
   11,778.83x = 17,647.49 × 6,219.94
4. Step 4: Simplify right side
   11,778.83x = 109,766,298.48
5. Step 5: Solve for x
   x = 109,766,298.48/11,778.83
6. Step 6: Final answer
   x = 9,318.94