Finding the Fourth Proportional to 3,871.98, 5,808.35 and 2,225.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,871.98 : 5,808.35 = 2,225.34 : x
2. Step 2: Convert to fraction form
   3,871.98/5,808.35 = 2,225.34/x
3. Step 3: Cross multiply
   3,871.98x = 5,808.35 × 2,225.34
4. Step 4: Simplify right side
   3,871.98x = 12,925,553.59
5. Step 5: Solve for x
   x = 12,925,553.59/3,871.98
6. Step 6: Final answer
   x = 3,338.23