Finding the Fourth Proportional to 6,748.32, 9,311.72 and 3,763.74

Step by Step Solution

1. Step 1: Write the proportion equation
   6,748.32 : 9,311.72 = 3,763.74 : x
2. Step 2: Convert to fraction form
   6,748.32/9,311.72 = 3,763.74/x
3. Step 3: Cross multiply
   6,748.32x = 9,311.72 × 3,763.74
4. Step 4: Simplify right side
   6,748.32x = 35,046,893.03
5. Step 5: Solve for x
   x = 35,046,893.03/6,748.32
6. Step 6: Final answer
   x = 5,193.42