Finding the Fourth Proportional to 10,485.78, 14,470.38 and 5,769.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,485.78 : 14,470.38 = 5,769.96 : x
2. Step 2: Convert to fraction form
   10,485.78/14,470.38 = 5,769.96/x
3. Step 3: Cross multiply
   10,485.78x = 14,470.38 × 5,769.96
4. Step 4: Simplify right side
   10,485.78x = 83,493,513.78
5. Step 5: Solve for x
   x = 83,493,513.78/10,485.78
6. Step 6: Final answer
   x = 7,962.55