Finding the Fourth Proportional to 3,965.34, 5,975.88 and 3,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,965.34 : 5,975.88 = 3,570.50 : x
2. Step 2: Convert to fraction form
   3,965.34/5,975.88 = 3,570.50/x
3. Step 3: Cross multiply
   3,965.34x = 5,975.88 × 3,570.50
4. Step 4: Simplify right side
   3,965.34x = 21,336,891.13
5. Step 5: Solve for x
   x = 21,336,891.13/3,965.34
6. Step 6: Final answer
   x = 5,380.85