Finding the Fourth Proportional to 6,651.46, 9,964.42 and 3,720.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,651.46 : 9,964.42 = 3,720.88 : x
2. Step 2: Convert to fraction form
   6,651.46/9,964.42 = 3,720.88/x
3. Step 3: Cross multiply
   6,651.46x = 9,964.42 × 3,720.88
4. Step 4: Simplify right side
   6,651.46x = 37,076,411.09
5. Step 5: Solve for x
   x = 37,076,411.09/6,651.46
6. Step 6: Final answer
   x = 5,574.18