Finding the Fourth Proportional to 10,770.78, 14,863.74 and 6,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,770.78 : 14,863.74 = 6,294.72 : x
2. Step 2: Convert to fraction form
   10,770.78/14,863.74 = 6,294.72/x
3. Step 3: Cross multiply
   10,770.78x = 14,863.74 × 6,294.72
4. Step 4: Simplify right side
   10,770.78x = 93,563,081.45
5. Step 5: Solve for x
   x = 93,563,081.45/10,770.78
6. Step 6: Final answer
   x = 8,686.75