Finding the Fourth Proportional to 2,113.31, 2,916.32 and 1,169.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.31 : 2,916.32 = 1,169.16 : x
2. Step 2: Convert to fraction form
   2,113.31/2,916.32 = 1,169.16/x
3. Step 3: Cross multiply
   2,113.31x = 2,916.32 × 1,169.16
4. Step 4: Simplify right side
   2,113.31x = 3,409,644.69
5. Step 5: Solve for x
   x = 3,409,644.69/2,113.31
6. Step 6: Final answer
   x = 1,613.41