Finding the Fourth Proportional to 3,704.34, 5,111.43 and 2,378.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,704.34 : 5,111.43 = 2,378.22 : x
2. Step 2: Convert to fraction form
   3,704.34/5,111.43 = 2,378.22/x
3. Step 3: Cross multiply
   3,704.34x = 5,111.43 × 2,378.22
4. Step 4: Simplify right side
   3,704.34x = 12,156,105.05
5. Step 5: Solve for x
   x = 12,156,105.05/3,704.34
6. Step 6: Final answer
   x = 3,281.58