Finding the Fourth Proportional to 6,630.44, 9,147.71 and 4,111.64

Step by Step Solution

1. Step 1: Write the proportion equation
   6,630.44 : 9,147.71 = 4,111.64 : x
2. Step 2: Convert to fraction form
   6,630.44/9,147.71 = 4,111.64/x
3. Step 3: Cross multiply
   6,630.44x = 9,147.71 × 4,111.64
4. Step 4: Simplify right side
   6,630.44x = 37,612,090.34
5. Step 5: Solve for x
   x = 37,612,090.34/6,630.44
6. Step 6: Final answer
   x = 5,672.64