Finding the Fourth Proportional to 2,100.50, 2,898.69 and 1,169.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.50 : 2,898.69 = 1,169.22 : x
2. Step 2: Convert to fraction form
   2,100.50/2,898.69 = 1,169.22/x
3. Step 3: Cross multiply
   2,100.50x = 2,898.69 × 1,169.22
4. Step 4: Simplify right side
   2,100.50x = 3,389,206.32
5. Step 5: Solve for x
   x = 3,389,206.32/2,100.50
6. Step 6: Final answer
   x = 1,613.52