Finding the Fourth Proportional to 1,900.69, 2,847.90 and 1,168.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.69 : 2,847.90 = 1,168.72 : x
2. Step 2: Convert to fraction form
   1,900.69/2,847.90 = 1,168.72/x
3. Step 3: Cross multiply
   1,900.69x = 2,847.90 × 1,168.72
4. Step 4: Simplify right side
   1,900.69x = 3,328,397.69
5. Step 5: Solve for x
   x = 3,328,397.69/1,900.69
6. Step 6: Final answer
   x = 1,751.15