Finding the Fourth Proportional to 11,898.01, 17,847.15 and 4,105

Step by Step Solution

1. Step 1: Write the proportion equation
   11,898.01 : 17,847.15 = 4,105 : x
2. Step 2: Convert to fraction form
   11,898.01/17,847.15 = 4,105/x
3. Step 3: Cross multiply
   11,898.01x = 17,847.15 × 4,105
4. Step 4: Simplify right side
   11,898.01x = 73,262,550.75
5. Step 5: Solve for x
   x = 73,262,550.75/11,898.01
6. Step 6: Final answer
   x = 6,157.55