Finding the Fourth Proportional to 8,884.94, 12,255.76 and 5,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,884.94 : 12,255.76 = 5,297.50 : x
2. Step 2: Convert to fraction form
   8,884.94/12,255.76 = 5,297.50/x
3. Step 3: Cross multiply
   8,884.94x = 12,255.76 × 5,297.50
4. Step 4: Simplify right side
   8,884.94x = 64,924,880.74
5. Step 5: Solve for x
   x = 64,924,880.74/8,884.94
6. Step 6: Final answer
   x = 7,307.29