Finding the Fourth Proportional to 8,271.48, 12,402.90 and 3,074.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,271.48 : 12,402.90 = 3,074.52 : x
2. Step 2: Convert to fraction form
   8,271.48/12,402.90 = 3,074.52/x
3. Step 3: Cross multiply
   8,271.48x = 12,402.90 × 3,074.52
4. Step 4: Simplify right side
   8,271.48x = 38,132,964.11
5. Step 5: Solve for x
   x = 38,132,964.11/8,271.48
6. Step 6: Final answer
   x = 4,610.17