Finding the Fourth Proportional to 3,695.34, 5,100.39 and 2,123.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,695.34 : 5,100.39 = 2,123.94 : x
2. Step 2: Convert to fraction form
   3,695.34/5,100.39 = 2,123.94/x
3. Step 3: Cross multiply
   3,695.34x = 5,100.39 × 2,123.94
4. Step 4: Simplify right side
   3,695.34x = 10,832,922.34
5. Step 5: Solve for x
   x = 10,832,922.34/3,695.34
6. Step 6: Final answer
   x = 2,931.51