Finding the Fourth Proportional to 6,309.01, 9,460.56 and 2,147.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,309.01 : 9,460.56 = 2,147.89 : x
2. Step 2: Convert to fraction form
   6,309.01/9,460.56 = 2,147.89/x
3. Step 3: Cross multiply
   6,309.01x = 9,460.56 × 2,147.89
4. Step 4: Simplify right side
   6,309.01x = 20,320,242.22
5. Step 5: Solve for x
   x = 20,320,242.22/6,309.01
6. Step 6: Final answer
   x = 3,220.83