Finding the Fourth Proportional to 11,900.07, 17,837.55 and 3,995.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,900.07 : 17,837.55 = 3,995.10 : x
2. Step 2: Convert to fraction form
   11,900.07/17,837.55 = 3,995.10/x
3. Step 3: Cross multiply
   11,900.07x = 17,837.55 × 3,995.10
4. Step 4: Simplify right side
   11,900.07x = 71,262,796.01
5. Step 5: Solve for x
   x = 71,262,796.01/11,900.07
6. Step 6: Final answer
   x = 5,988.44