Finding the Fourth Proportional to 2,113.32, 2,916.25 and 1,169.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.32 : 2,916.25 = 1,169.07 : x
2. Step 2: Convert to fraction form
   2,113.32/2,916.25 = 1,169.07/x
3. Step 3: Cross multiply
   2,113.32x = 2,916.25 × 1,169.07
4. Step 4: Simplify right side
   2,113.32x = 3,409,300.39
5. Step 5: Solve for x
   x = 3,409,300.39/2,113.32
6. Step 6: Final answer
   x = 1,613.24