Finding the Fourth Proportional to 3,695.63, 5,100.57 and 2,123.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,695.63 : 5,100.57 = 2,123.42 : x
2. Step 2: Convert to fraction form
   3,695.63/5,100.57 = 2,123.42/x
3. Step 3: Cross multiply
   3,695.63x = 5,100.57 × 2,123.42
4. Step 4: Simplify right side
   3,695.63x = 10,830,626.85
5. Step 5: Solve for x
   x = 10,830,626.85/3,695.63
6. Step 6: Final answer
   x = 2,930.66