Finding the Fourth Proportional to 5,116.10, 7,673.28 and 1,418.70

Step by Step Solution

1. Step 1: Write the proportion equation
   5,116.10 : 7,673.28 = 1,418.70 : x
2. Step 2: Convert to fraction form
   5,116.10/7,673.28 = 1,418.70/x
3. Step 3: Cross multiply
   5,116.10x = 7,673.28 × 1,418.70
4. Step 4: Simplify right side
   5,116.10x = 10,886,082.34
5. Step 5: Solve for x
   x = 10,886,082.34/5,116.10
6. Step 6: Final answer
   x = 2,127.81