Finding the Fourth Proportional to 3,116.50, 4,300.77 and 1,719.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116.50 : 4,300.77 = 1,719.34 : x
2. Step 2: Convert to fraction form
   3,116.50/4,300.77 = 1,719.34/x
3. Step 3: Cross multiply
   3,116.50x = 4,300.77 × 1,719.34
4. Step 4: Simplify right side
   3,116.50x = 7,394,485.89
5. Step 5: Solve for x
   x = 7,394,485.89/3,116.50
6. Step 6: Final answer
   x = 2,372.69