Finding the Fourth Proportional to 6,638.76, 9,161.52 and 3,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,638.76 : 9,161.52 = 3,654.72 : x
2. Step 2: Convert to fraction form
   6,638.76/9,161.52 = 3,654.72/x
3. Step 3: Cross multiply
   6,638.76x = 9,161.52 × 3,654.72
4. Step 4: Simplify right side
   6,638.76x = 33,482,790.37
5. Step 5: Solve for x
   x = 33,482,790.37/6,638.76
6. Step 6: Final answer
   x = 5,043.53