Finding the Fourth Proportional to 2,379.21, 3,570.17 and 1,599.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.21 : 3,570.17 = 1,599.59 : x
2. Step 2: Convert to fraction form
   2,379.21/3,570.17 = 1,599.59/x
3. Step 3: Cross multiply
   2,379.21x = 3,570.17 × 1,599.59
4. Step 4: Simplify right side
   2,379.21x = 5,710,782.38
5. Step 5: Solve for x
   x = 5,710,782.38/2,379.21
6. Step 6: Final answer
   x = 2,400.29