Finding the Fourth Proportional to 3,699.56, 5,527.69 and 3,570.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699.56 : 5,527.69 = 3,570.40 : x
2. Step 2: Convert to fraction form
   3,699.56/5,527.69 = 3,570.40/x
3. Step 3: Cross multiply
   3,699.56x = 5,527.69 × 3,570.40
4. Step 4: Simplify right side
   3,699.56x = 19,736,064.38
5. Step 5: Solve for x
   x = 19,736,064.38/3,699.56
6. Step 6: Final answer
   x = 5,334.71