Finding the Fourth Proportional to 2,520.34, 3,774.03 and 2,131.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.34 : 3,774.03 = 2,131.54 : x
2. Step 2: Convert to fraction form
   2,520.34/3,774.03 = 2,131.54/x
3. Step 3: Cross multiply
   2,520.34x = 3,774.03 × 2,131.54
4. Step 4: Simplify right side
   2,520.34x = 8,044,495.91
5. Step 5: Solve for x
   x = 8,044,495.91/2,520.34
6. Step 6: Final answer
   x = 3,191.83