Finding the Fourth Proportional to 8,963.10, 12,365.82 and 5,425.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,963.10 : 12,365.82 = 5,425.02 : x
2. Step 2: Convert to fraction form
   8,963.10/12,365.82 = 5,425.02/x
3. Step 3: Cross multiply
   8,963.10x = 12,365.82 × 5,425.02
4. Step 4: Simplify right side
   8,963.10x = 67,084,820.82
5. Step 5: Solve for x
   x = 67,084,820.82/8,963.10
6. Step 6: Final answer
   x = 7,484.56