Finding the Fourth Proportional to 2,100.76, 2,898.90 and 1,169.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.76 : 2,898.90 = 1,169.26 : x
2. Step 2: Convert to fraction form
   2,100.76/2,898.90 = 1,169.26/x
3. Step 3: Cross multiply
   2,100.76x = 2,898.90 × 1,169.26
4. Step 4: Simplify right side
   2,100.76x = 3,389,567.81
5. Step 5: Solve for x
   x = 3,389,567.81/2,100.76
6. Step 6: Final answer
   x = 1,613.50