Finding the Fourth Proportional to 3,695.16, 5,099.99 and 2,123.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,695.16 : 5,099.99 = 2,123.22 : x
2. Step 2: Convert to fraction form
   3,695.16/5,099.99 = 2,123.22/x
3. Step 3: Cross multiply
   3,695.16x = 5,099.99 × 2,123.22
4. Step 4: Simplify right side
   3,695.16x = 10,828,390.15
5. Step 5: Solve for x
   x = 10,828,390.15/3,695.16
6. Step 6: Final answer
   x = 2,930.43