Finding the Fourth Proportional to 1,898.62, 2,841.54 and 1,168.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,898.62 : 2,841.54 = 1,168.72 : x
2. Step 2: Convert to fraction form
   1,898.62/2,841.54 = 1,168.72/x
3. Step 3: Cross multiply
   1,898.62x = 2,841.54 × 1,168.72
4. Step 4: Simplify right side
   1,898.62x = 3,320,964.63
5. Step 5: Solve for x
   x = 3,320,964.63/1,898.62
6. Step 6: Final answer
   x = 1,749.15