Finding the Fourth Proportional to 2,113.69, 2,916.84 and 1,169.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.69 : 2,916.84 = 1,169.52 : x
2. Step 2: Convert to fraction form
   2,113.69/2,916.84 = 1,169.52/x
3. Step 3: Cross multiply
   2,113.69x = 2,916.84 × 1,169.52
4. Step 4: Simplify right side
   2,113.69x = 3,411,302.72
5. Step 5: Solve for x
   x = 3,411,302.72/2,113.69
6. Step 6: Final answer
   x = 1,613.91