Finding the Fourth Proportional to 3,696.17, 5,100.84 and 2,205.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,696.17 : 5,100.84 = 2,205.23 : x
2. Step 2: Convert to fraction form
   3,696.17/5,100.84 = 2,205.23/x
3. Step 3: Cross multiply
   3,696.17x = 5,100.84 × 2,205.23
4. Step 4: Simplify right side
   3,696.17x = 11,248,499.89
5. Step 5: Solve for x
   x = 11,248,499.89/3,696.17
6. Step 6: Final answer
   x = 3,043.29