Finding the Fourth Proportional to 2,350.57, 3,521.50 and 1,179.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,350.57 : 3,521.50 = 1,179.21 : x
2. Step 2: Convert to fraction form
   2,350.57/3,521.50 = 1,179.21/x
3. Step 3: Cross multiply
   2,350.57x = 3,521.50 × 1,179.21
4. Step 4: Simplify right side
   2,350.57x = 4,152,588.02
5. Step 5: Solve for x
   x = 4,152,588.02/2,350.57
6. Step 6: Final answer
   x = 1,766.63