Finding the Fourth Proportional to 8,962.03, 12,365.83 and 5,425.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,962.03 : 12,365.83 = 5,425.57 : x
2. Step 2: Convert to fraction form
   8,962.03/12,365.83 = 5,425.57/x
3. Step 3: Cross multiply
   8,962.03x = 12,365.83 × 5,425.57
4. Step 4: Simplify right side
   8,962.03x = 67,091,676.27
5. Step 5: Solve for x
   x = 67,091,676.27/8,962.03
6. Step 6: Final answer
   x = 7,486.21