Finding the Fourth Proportional to 2,015.98, 3,002.70 and 1,926.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.98 : 3,002.70 = 1,926.02 : x
2. Step 2: Convert to fraction form
   2,015.98/3,002.70 = 1,926.02/x
3. Step 3: Cross multiply
   2,015.98x = 3,002.70 × 1,926.02
4. Step 4: Simplify right side
   2,015.98x = 5,783,260.25
5. Step 5: Solve for x
   x = 5,783,260.25/2,015.98
6. Step 6: Final answer
   x = 2,868.71