Finding the Fourth Proportional to 31,554.47, 43,544.47 and 17,407.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,554.47 : 43,544.47 = 17,407.31 : x
2. Step 2: Convert to fraction form
   31,554.47/43,544.47 = 17,407.31/x
3. Step 3: Cross multiply
   31,554.47x = 43,544.47 × 17,407.31
4. Step 4: Simplify right side
   31,554.47x = 757,992,196.94
5. Step 5: Solve for x
   x = 757,992,196.94/31,554.47
6. Step 6: Final answer
   x = 24,021.70