Finding the Fourth Proportional to 1,898.27, 2,846.71 and 802.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,898.27 : 2,846.71 = 802.72 : x
2. Step 2: Convert to fraction form
   1,898.27/2,846.71 = 802.72/x
3. Step 3: Cross multiply
   1,898.27x = 2,846.71 × 802.72
4. Step 4: Simplify right side
   1,898.27x = 2,285,096.82
5. Step 5: Solve for x
   x = 2,285,096.82/1,898.27
6. Step 6: Final answer
   x = 1,203.78