Finding the Fourth Proportional to 3,710.88, 5,569.56 and 3,574.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,710.88 : 5,569.56 = 3,574.80 : x
2. Step 2: Convert to fraction form
   3,710.88/5,569.56 = 3,574.80/x
3. Step 3: Cross multiply
   3,710.88x = 5,569.56 × 3,574.80
4. Step 4: Simplify right side
   3,710.88x = 19,910,063.09
5. Step 5: Solve for x
   x = 19,910,063.09/3,710.88
6. Step 6: Final answer
   x = 5,365.32