Finding the Fourth Proportional to 5,176.98, 7,764.38 and 1,667.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,176.98 : 7,764.38 = 1,667.30 : x
2. Step 2: Convert to fraction form
   5,176.98/7,764.38 = 1,667.30/x
3. Step 3: Cross multiply
   5,176.98x = 7,764.38 × 1,667.30
4. Step 4: Simplify right side
   5,176.98x = 12,945,558.23
5. Step 5: Solve for x
   x = 12,945,558.23/5,176.98
6. Step 6: Final answer
   x = 2,500.60