Finding the Fourth Proportional to 31,585.94, 43,588.59 and 17,438.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,585.94 : 43,588.59 = 17,438.88 : x
2. Step 2: Convert to fraction form
   31,585.94/43,588.59 = 17,438.88/x
3. Step 3: Cross multiply
   31,585.94x = 43,588.59 × 17,438.88
4. Step 4: Simplify right side
   31,585.94x = 760,136,190.38
5. Step 5: Solve for x
   x = 760,136,190.38/31,585.94
6. Step 6: Final answer
   x = 24,065.65