Finding the Fourth Proportional to 2,902.67, 4,005.71 and 1,768.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,902.67 : 4,005.71 = 1,768.01 : x
2. Step 2: Convert to fraction form
   2,902.67/4,005.71 = 1,768.01/x
3. Step 3: Cross multiply
   2,902.67x = 4,005.71 × 1,768.01
4. Step 4: Simplify right side
   2,902.67x = 7,082,106.47
5. Step 5: Solve for x
   x = 7,082,106.47/2,902.67
6. Step 6: Final answer
   x = 2,439.86