Finding the Fourth Proportional to 7,667.87, 11,499.52 and 3,284.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,667.87 : 11,499.52 = 3,284.30 : x
2. Step 2: Convert to fraction form
   7,667.87/11,499.52 = 3,284.30/x
3. Step 3: Cross multiply
   7,667.87x = 11,499.52 × 3,284.30
4. Step 4: Simplify right side
   7,667.87x = 37,767,835.55
5. Step 5: Solve for x
   x = 37,767,835.55/7,667.87
6. Step 6: Final answer
   x = 4,925.47