Finding the Fourth Proportional to 31,598.85, 43,613.34 and 19,667.01

Step by Step Solution

1. Step 1: Write the proportion equation
   31,598.85 : 43,613.34 = 19,667.01 : x
2. Step 2: Convert to fraction form
   31,598.85/43,613.34 = 19,667.01/x
3. Step 3: Cross multiply
   31,598.85x = 43,613.34 × 19,667.01
4. Step 4: Simplify right side
   31,598.85x = 857,743,993.91
5. Step 5: Solve for x
   x = 857,743,993.91/31,598.85
6. Step 6: Final answer
   x = 27,144.79