Finding the Fourth Proportional to 6,878.69, 10,317.12 and 1,948.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,878.69 : 10,317.12 = 1,948.76 : x
2. Step 2: Convert to fraction form
   6,878.69/10,317.12 = 1,948.76/x
3. Step 3: Cross multiply
   6,878.69x = 10,317.12 × 1,948.76
4. Step 4: Simplify right side
   6,878.69x = 20,105,590.77
5. Step 5: Solve for x
   x = 20,105,590.77/6,878.69
6. Step 6: Final answer
   x = 2,922.88