Finding the Fourth Proportional to 8,100.02, 12,145.01 and 3,163.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.02 : 12,145.01 = 3,163.86 : x
2. Step 2: Convert to fraction form
   8,100.02/12,145.01 = 3,163.86/x
3. Step 3: Cross multiply
   8,100.02x = 12,145.01 × 3,163.86
4. Step 4: Simplify right side
   8,100.02x = 38,425,095.52
5. Step 5: Solve for x
   x = 38,425,095.52/8,100.02
6. Step 6: Final answer
   x = 4,743.83