Finding the Fourth Proportional to 10,487.19, 14,472.42 and 5,771.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,487.19 : 14,472.42 = 5,771.58 : x
2. Step 2: Convert to fraction form
   10,487.19/14,472.42 = 5,771.58/x
3. Step 3: Cross multiply
   10,487.19x = 14,472.42 × 5,771.58
4. Step 4: Simplify right side
   10,487.19x = 83,528,643.03
5. Step 5: Solve for x
   x = 83,528,643.03/10,487.19
6. Step 6: Final answer
   x = 7,964.83