Finding the Fourth Proportional to 3,109.01, 4,290.18 and 1,711.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,109.01 : 4,290.18 = 1,711.76 : x
2. Step 2: Convert to fraction form
   3,109.01/4,290.18 = 1,711.76/x
3. Step 3: Cross multiply
   3,109.01x = 4,290.18 × 1,711.76
4. Step 4: Simplify right side
   3,109.01x = 7,343,758.52
5. Step 5: Solve for x
   x = 7,343,758.52/3,109.01
6. Step 6: Final answer
   x = 2,362.09