Finding the Fourth Proportional to 2,607.27, 3,905.64 and 2,020.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.27 : 3,905.64 = 2,020.16 : x
2. Step 2: Convert to fraction form
   2,607.27/3,905.64 = 2,020.16/x
3. Step 3: Cross multiply
   2,607.27x = 3,905.64 × 2,020.16
4. Step 4: Simplify right side
   2,607.27x = 7,889,998.17
5. Step 5: Solve for x
   x = 7,889,998.17/2,607.27
6. Step 6: Final answer
   x = 3,026.15