Finding the Fourth Proportional to 10,845.78, 14,970.69 and 6,369.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,845.78 : 14,970.69 = 6,369.42 : x
2. Step 2: Convert to fraction form
   10,845.78/14,970.69 = 6,369.42/x
3. Step 3: Cross multiply
   10,845.78x = 14,970.69 × 6,369.42
4. Step 4: Simplify right side
   10,845.78x = 95,354,612.30
5. Step 5: Solve for x
   x = 95,354,612.30/10,845.78
6. Step 6: Final answer
   x = 8,791.86