Finding the Fourth Proportional to 12,158.01, 18,238.04 and 3,835.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,158.01 : 18,238.04 = 3,835.79 : x
2. Step 2: Convert to fraction form
   12,158.01/18,238.04 = 3,835.79/x
3. Step 3: Cross multiply
   12,158.01x = 18,238.04 × 3,835.79
4. Step 4: Simplify right side
   12,158.01x = 69,957,354.29
5. Step 5: Solve for x
   x = 69,957,354.29/12,158.01
6. Step 6: Final answer
   x = 5,754.01