Finding the Fourth Proportional to 2,100.47, 3,151.17 and 802.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.47 : 3,151.17 = 802.04 : x
2. Step 2: Convert to fraction form
   2,100.47/3,151.17 = 802.04/x
3. Step 3: Cross multiply
   2,100.47x = 3,151.17 × 802.04
4. Step 4: Simplify right side
   2,100.47x = 2,527,348.63
5. Step 5: Solve for x
   x = 2,527,348.63/2,100.47
6. Step 6: Final answer
   x = 1,203.23