Finding the Fourth Proportional to 6,748.82, 10,129.70 and 3,288.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,748.82 : 10,129.70 = 3,288.50 : x
2. Step 2: Convert to fraction form
   6,748.82/10,129.70 = 3,288.50/x
3. Step 3: Cross multiply
   6,748.82x = 10,129.70 × 3,288.50
4. Step 4: Simplify right side
   6,748.82x = 33,311,518.45
5. Step 5: Solve for x
   x = 33,311,518.45/6,748.82
6. Step 6: Final answer
   x = 4,935.90