Finding the Fourth Proportional to 2,680.02, 4,019.76 and 1,036.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680.02 : 4,019.76 = 1,036.53 : x
2. Step 2: Convert to fraction form
   2,680.02/4,019.76 = 1,036.53/x
3. Step 3: Cross multiply
   2,680.02x = 4,019.76 × 1,036.53
4. Step 4: Simplify right side
   2,680.02x = 4,166,601.83
5. Step 5: Solve for x
   x = 4,166,601.83/2,680.02
6. Step 6: Final answer
   x = 1,554.69