Finding the Fourth Proportional to 10,485.81, 14,470.52 and 5,770.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,485.81 : 14,470.52 = 5,770.20 : x
2. Step 2: Convert to fraction form
   10,485.81/14,470.52 = 5,770.20/x
3. Step 3: Cross multiply
   10,485.81x = 14,470.52 × 5,770.20
4. Step 4: Simplify right side
   10,485.81x = 83,497,794.50
5. Step 5: Solve for x
   x = 83,497,794.50/10,485.81
6. Step 6: Final answer
   x = 7,962.93