Finding the Fourth Proportional to 5,131.14, 7,697.67 and 1,667.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131.14 : 7,697.67 = 1,667.94 : x
2. Step 2: Convert to fraction form
   5,131.14/7,697.67 = 1,667.94/x
3. Step 3: Cross multiply
   5,131.14x = 7,697.67 × 1,667.94
4. Step 4: Simplify right side
   5,131.14x = 12,839,251.70
5. Step 5: Solve for x
   x = 12,839,251.70/5,131.14
6. Step 6: Final answer
   x = 2,502.22