Finding the Fourth Proportional to 17,404.78, 26,072.05 and 8,031.77

Step by Step Solution

1. Step 1: Write the proportion equation
   17,404.78 : 26,072.05 = 8,031.77 : x
2. Step 2: Convert to fraction form
   17,404.78/26,072.05 = 8,031.77/x
3. Step 3: Cross multiply
   17,404.78x = 26,072.05 × 8,031.77
4. Step 4: Simplify right side
   17,404.78x = 209,404,816.84
5. Step 5: Solve for x
   x = 209,404,816.84/17,404.78
6. Step 6: Final answer
   x = 12,031.46