Finding the Fourth Proportional to 31,296.35, 43,188.72 and 17,149.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,296.35 : 43,188.72 = 17,149.16 : x
2. Step 2: Convert to fraction form
   31,296.35/43,188.72 = 17,149.16/x
3. Step 3: Cross multiply
   31,296.35x = 43,188.72 × 17,149.16
4. Step 4: Simplify right side
   31,296.35x = 740,650,269.48
5. Step 5: Solve for x
   x = 740,650,269.48/31,296.35
6. Step 6: Final answer
   x = 23,665.71