Finding the Fourth Proportional to 31,168.23, 43,011.93 and 17,021.07

Step by Step Solution

1. Step 1: Write the proportion equation
   31,168.23 : 43,011.93 = 17,021.07 : x
2. Step 2: Convert to fraction form
   31,168.23/43,011.93 = 17,021.07/x
3. Step 3: Cross multiply
   31,168.23x = 43,011.93 × 17,021.07
4. Step 4: Simplify right side
   31,168.23x = 732,109,071.37
5. Step 5: Solve for x
   x = 732,109,071.37/31,168.23
6. Step 6: Final answer
   x = 23,488.95