Finding the Fourth Proportional to 8,130.42, 12,196.22 and 3,973.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,130.42 : 12,196.22 = 3,973.89 : x
2. Step 2: Convert to fraction form
   8,130.42/12,196.22 = 3,973.89/x
3. Step 3: Cross multiply
   8,130.42x = 12,196.22 × 3,973.89
4. Step 4: Simplify right side
   8,130.42x = 48,466,416.83
5. Step 5: Solve for x
   x = 48,466,416.83/8,130.42
6. Step 6: Final answer
   x = 5,961.12