Finding the Fourth Proportional to 31,585.52, 43,588.32 and 17,438.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,585.52 : 43,588.32 = 17,438.06 : x
2. Step 2: Convert to fraction form
   31,585.52/43,588.32 = 17,438.06/x
3. Step 3: Cross multiply
   31,585.52x = 43,588.32 × 17,438.06
4. Step 4: Simplify right side
   31,585.52x = 760,095,739.46
5. Step 5: Solve for x
   x = 760,095,739.46/31,585.52
6. Step 6: Final answer
   x = 24,064.69