Finding the Fourth Proportional to 3,761.34, 5,636.53 and 2,667.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,761.34 : 5,636.53 = 2,667.84 : x
2. Step 2: Convert to fraction form
   3,761.34/5,636.53 = 2,667.84/x
3. Step 3: Cross multiply
   3,761.34x = 5,636.53 × 2,667.84
4. Step 4: Simplify right side
   3,761.34x = 15,037,360.20
5. Step 5: Solve for x
   x = 15,037,360.20/3,761.34
6. Step 6: Final answer
   x = 3,997.87