Finding the Fourth Proportional to 2,513.55, 3,770.50 and 758.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.55 : 3,770.50 = 758.49 : x
2. Step 2: Convert to fraction form
   2,513.55/3,770.50 = 758.49/x
3. Step 3: Cross multiply
   2,513.55x = 3,770.50 × 758.49
4. Step 4: Simplify right side
   2,513.55x = 2,859,886.55
5. Step 5: Solve for x
   x = 2,859,886.55/2,513.55
6. Step 6: Final answer
   x = 1,137.79