Finding the Fourth Proportional to 31,296.51, 43,189.20 and 17,149.37

Step by Step Solution

1. Step 1: Write the proportion equation
   31,296.51 : 43,189.20 = 17,149.37 : x
2. Step 2: Convert to fraction form
   31,296.51/43,189.20 = 17,149.37/x
3. Step 3: Cross multiply
   31,296.51x = 43,189.20 × 17,149.37
4. Step 4: Simplify right side
   31,296.51x = 740,667,354.86
5. Step 5: Solve for x
   x = 740,667,354.86/31,296.51
6. Step 6: Final answer
   x = 23,666.13