Finding the Fourth Proportional to 3,973.16, 5,960.62 and 2,123.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973.16 : 5,960.62 = 2,123.30 : x
2. Step 2: Convert to fraction form
   3,973.16/5,960.62 = 2,123.30/x
3. Step 3: Cross multiply
   3,973.16x = 5,960.62 × 2,123.30
4. Step 4: Simplify right side
   3,973.16x = 12,656,184.45
5. Step 5: Solve for x
   x = 12,656,184.45/3,973.16
6. Step 6: Final answer
   x = 3,185.42