Finding the Fourth Proportional to 5,185.34, 7,153.73 and 2,916.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185.34 : 7,153.73 = 2,916.15 : x
2. Step 2: Convert to fraction form
   5,185.34/7,153.73 = 2,916.15/x
3. Step 3: Cross multiply
   5,185.34x = 7,153.73 × 2,916.15
4. Step 4: Simplify right side
   5,185.34x = 20,861,335.16
5. Step 5: Solve for x
   x = 20,861,335.16/5,185.34
6. Step 6: Final answer
   x = 4,023.14