Finding the Fourth Proportional to 2,101.01, 3,151.49 and 802.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.01 : 3,151.49 = 802.17 : x
2. Step 2: Convert to fraction form
   2,101.01/3,151.49 = 802.17/x
3. Step 3: Cross multiply
   2,101.01x = 3,151.49 × 802.17
4. Step 4: Simplify right side
   2,101.01x = 2,528,026.72
5. Step 5: Solve for x
   x = 2,528,026.72/2,101.01
6. Step 6: Final answer
   x = 1,203.25