Finding the Fourth Proportional to 8,941.89, 12,328.61 and 5,749.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,941.89 : 12,328.61 = 5,749.55 : x
2. Step 2: Convert to fraction form
   8,941.89/12,328.61 = 5,749.55/x
3. Step 3: Cross multiply
   8,941.89x = 12,328.61 × 5,749.55
4. Step 4: Simplify right side
   8,941.89x = 70,883,915.47
5. Step 5: Solve for x
   x = 70,883,915.47/8,941.89
6. Step 6: Final answer
   x = 7,927.17