Finding the Fourth Proportional to 67,031.98, 100,547.86 and 17,112.09

Step by Step Solution

1. Step 1: Write the proportion equation
   67,031.98 : 100,547.86 = 17,112.09 : x
2. Step 2: Convert to fraction form
   67,031.98/100,547.86 = 17,112.09/x
3. Step 3: Cross multiply
   67,031.98x = 100,547.86 × 17,112.09
4. Step 4: Simplify right side
   67,031.98x = 1,720,584,029.63
5. Step 5: Solve for x
   x = 1,720,584,029.63/67,031.98
6. Step 6: Final answer
   x = 25,668.11