Finding the Fourth Proportional to 3,987.77, 5,954.48 and 3,568.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,987.77 : 5,954.48 = 3,568.59 : x
2. Step 2: Convert to fraction form
   3,987.77/5,954.48 = 3,568.59/x
3. Step 3: Cross multiply
   3,987.77x = 5,954.48 × 3,568.59
4. Step 4: Simplify right side
   3,987.77x = 21,249,093.32
5. Step 5: Solve for x
   x = 21,249,093.32/3,987.77
6. Step 6: Final answer
   x = 5,328.57