Finding the Fourth Proportional to 21,173.16, 31,760.82 and 8,026.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,173.16 : 31,760.82 = 8,026.59 : x
2. Step 2: Convert to fraction form
   21,173.16/31,760.82 = 8,026.59/x
3. Step 3: Cross multiply
   21,173.16x = 31,760.82 × 8,026.59
4. Step 4: Simplify right side
   21,173.16x = 254,931,080.20
5. Step 5: Solve for x
   x = 254,931,080.20/21,173.16
6. Step 6: Final answer
   x = 12,040.29