Finding the Fourth Proportional to 3,695.89, 5,100.33 and 2,123.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,695.89 : 5,100.33 = 2,123.98 : x
2. Step 2: Convert to fraction form
   3,695.89/5,100.33 = 2,123.98/x
3. Step 3: Cross multiply
   3,695.89x = 5,100.33 × 2,123.98
4. Step 4: Simplify right side
   3,695.89x = 10,832,998.91
5. Step 5: Solve for x
   x = 10,832,998.91/3,695.89
6. Step 6: Final answer
   x = 2,931.09