Finding the Fourth Proportional to 67,072.83, 100,609.20 and 17,152.98

Step by Step Solution

1. Step 1: Write the proportion equation
   67,072.83 : 100,609.20 = 17,152.98 : x
2. Step 2: Convert to fraction form
   67,072.83/100,609.20 = 17,152.98/x
3. Step 3: Cross multiply
   67,072.83x = 100,609.20 × 17,152.98
4. Step 4: Simplify right side
   67,072.83x = 1,725,747,595.42
5. Step 5: Solve for x
   x = 1,725,747,595.42/67,072.83
6. Step 6: Final answer
   x = 25,729.46