Finding the Fourth Proportional to 2,653.96, 3,980.52 and 1,010.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,653.96 : 3,980.52 = 1,010.56 : x
2. Step 2: Convert to fraction form
   2,653.96/3,980.52 = 1,010.56/x
3. Step 3: Cross multiply
   2,653.96x = 3,980.52 × 1,010.56
4. Step 4: Simplify right side
   2,653.96x = 4,022,554.29
5. Step 5: Solve for x
   x = 4,022,554.29/2,653.96
6. Step 6: Final answer
   x = 1,515.68