Finding the Fourth Proportional to 8,918.47, 12,307.04 and 4,885.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,918.47 : 12,307.04 = 4,885.25 : x
2. Step 2: Convert to fraction form
   8,918.47/12,307.04 = 4,885.25/x
3. Step 3: Cross multiply
   8,918.47x = 12,307.04 × 4,885.25
4. Step 4: Simplify right side
   8,918.47x = 60,122,899.52
5. Step 5: Solve for x
   x = 60,122,899.52/8,918.47
6. Step 6: Final answer
   x = 6,741.39