Finding the Fourth Proportional to 11,844.18, 17,766.72 and 3,078.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,844.18 : 17,766.72 = 3,078.86 : x
2. Step 2: Convert to fraction form
   11,844.18/17,766.72 = 3,078.86/x
3. Step 3: Cross multiply
   11,844.18x = 17,766.72 × 3,078.86
4. Step 4: Simplify right side
   11,844.18x = 54,701,154.71
5. Step 5: Solve for x
   x = 54,701,154.71/11,844.18
6. Step 6: Final answer
   x = 4,618.40