Finding the Fourth Proportional to 11,899, 17,849.60 and 3,133.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,899 : 17,849.60 = 3,133.96 : x
2. Step 2: Convert to fraction form
   11,899/17,849.60 = 3,133.96/x
3. Step 3: Cross multiply
   11,899x = 17,849.60 × 3,133.96
4. Step 4: Simplify right side
   11,899x = 55,939,932.42
5. Step 5: Solve for x
   x = 55,939,932.42/11,899
6. Step 6: Final answer
   x = 4,701.23