Finding the Fourth Proportional to 10,489.55, 14,475.98 and 5,774.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,489.55 : 14,475.98 = 5,774.27 : x
2. Step 2: Convert to fraction form
   10,489.55/14,475.98 = 5,774.27/x
3. Step 3: Cross multiply
   10,489.55x = 14,475.98 × 5,774.27
4. Step 4: Simplify right side
   10,489.55x = 83,588,159.09
5. Step 5: Solve for x
   x = 83,588,159.09/10,489.55
6. Step 6: Final answer
   x = 7,968.71