Finding the Fourth Proportional to 35,986.43, 49,635.56 and 31,197.81

Step by Step Solution

1. Step 1: Write the proportion equation
   35,986.43 : 49,635.56 = 31,197.81 : x
2. Step 2: Convert to fraction form
   35,986.43/49,635.56 = 31,197.81/x
3. Step 3: Cross multiply
   35,986.43x = 49,635.56 × 31,197.81
4. Step 4: Simplify right side
   35,986.43x = 1,548,520,667.31
5. Step 5: Solve for x
   x = 1,548,520,667.31/35,986.43
6. Step 6: Final answer
   x = 43,030.69