Finding the Fourth Proportional to 2,947.69, 4,066.12 and 1,768.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947.69 : 4,066.12 = 1,768.08 : x
2. Step 2: Convert to fraction form
   2,947.69/4,066.12 = 1,768.08/x
3. Step 3: Cross multiply
   2,947.69x = 4,066.12 × 1,768.08
4. Step 4: Simplify right side
   2,947.69x = 7,189,196.28
5. Step 5: Solve for x
   x = 7,189,196.28/2,947.69
6. Step 6: Final answer
   x = 2,438.93