Finding the Fourth Proportional to 31,723.94, 43,777.25 and 17,381.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,723.94 : 43,777.25 = 17,381.06 : x
2. Step 2: Convert to fraction form
   31,723.94/43,777.25 = 17,381.06/x
3. Step 3: Cross multiply
   31,723.94x = 43,777.25 × 17,381.06
4. Step 4: Simplify right side
   31,723.94x = 760,895,008.89
5. Step 5: Solve for x
   x = 760,895,008.89/31,723.94
6. Step 6: Final answer
   x = 23,984.89