Finding the Fourth Proportional to 2,730.34, 3,770.76 and 2,145.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.34 : 3,770.76 = 2,145.34 : x
2. Step 2: Convert to fraction form
   2,730.34/3,770.76 = 2,145.34/x
3. Step 3: Cross multiply
   2,730.34x = 3,770.76 × 2,145.34
4. Step 4: Simplify right side
   2,730.34x = 8,089,562.26
5. Step 5: Solve for x
   x = 8,089,562.26/2,730.34
6. Step 6: Final answer
   x = 2,962.84