Finding the Fourth Proportional to 8,573.48, 12,860.37 and 3,026.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,573.48 : 12,860.37 = 3,026.72 : x
2. Step 2: Convert to fraction form
   8,573.48/12,860.37 = 3,026.72/x
3. Step 3: Cross multiply
   8,573.48x = 12,860.37 × 3,026.72
4. Step 4: Simplify right side
   8,573.48x = 38,924,739.09
5. Step 5: Solve for x
   x = 38,924,739.09/8,573.48
6. Step 6: Final answer
   x = 4,540.13