Finding the Fourth Proportional to 2,652.84, 3,978.72 and 1,009.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,652.84 : 3,978.72 = 1,009.08 : x
2. Step 2: Convert to fraction form
   2,652.84/3,978.72 = 1,009.08/x
3. Step 3: Cross multiply
   2,652.84x = 3,978.72 × 1,009.08
4. Step 4: Simplify right side
   2,652.84x = 4,014,846.78
5. Step 5: Solve for x
   x = 4,014,846.78/2,652.84
6. Step 6: Final answer
   x = 1,513.41