Finding the Fourth Proportional to 10,470.80, 14,450.64 and 5,756.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,470.80 : 14,450.64 = 5,756.08 : x
2. Step 2: Convert to fraction form
   10,470.80/14,450.64 = 5,756.08/x
3. Step 3: Cross multiply
   10,470.80x = 14,450.64 × 5,756.08
4. Step 4: Simplify right side
   10,470.80x = 83,179,039.89
5. Step 5: Solve for x
   x = 83,179,039.89/10,470.80
6. Step 6: Final answer
   x = 7,943.90