Finding the Fourth Proportional to 2,210.85, 3,317.69 and 1,170.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.85 : 3,317.69 = 1,170.41 : x
2. Step 2: Convert to fraction form
   2,210.85/3,317.69 = 1,170.41/x
3. Step 3: Cross multiply
   2,210.85x = 3,317.69 × 1,170.41
4. Step 4: Simplify right side
   2,210.85x = 3,883,043.89
5. Step 5: Solve for x
   x = 3,883,043.89/2,210.85
6. Step 6: Final answer
   x = 1,756.36