Finding the Fourth Proportional to 3,902.48, 5,852.55 and 2,123.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,902.48 : 5,852.55 = 2,123.25 : x
2. Step 2: Convert to fraction form
   3,902.48/5,852.55 = 2,123.25/x
3. Step 3: Cross multiply
   3,902.48x = 5,852.55 × 2,123.25
4. Step 4: Simplify right side
   3,902.48x = 12,426,412.80
5. Step 5: Solve for x
   x = 12,426,412.80/3,902.48
6. Step 6: Final answer
   x = 3,184.24