Finding the Fourth Proportional to 4,007.71, 5,980.96 and 3,570.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,007.71 : 5,980.96 = 3,570.31 : x
2. Step 2: Convert to fraction form
   4,007.71/5,980.96 = 3,570.31/x
3. Step 3: Cross multiply
   4,007.71x = 5,980.96 × 3,570.31
4. Step 4: Simplify right side
   4,007.71x = 21,353,881.30
5. Step 5: Solve for x
   x = 21,353,881.30/4,007.71
6. Step 6: Final answer
   x = 5,328.20