Finding the Fourth Proportional to 3,069.31, 4,235.61 and 1,810.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,069.31 : 4,235.61 = 1,810.42 : x
2. Step 2: Convert to fraction form
   3,069.31/4,235.61 = 1,810.42/x
3. Step 3: Cross multiply
   3,069.31x = 4,235.61 × 1,810.42
4. Step 4: Simplify right side
   3,069.31x = 7,668,233.06
5. Step 5: Solve for x
   x = 7,668,233.06/3,069.31
6. Step 6: Final answer
   x = 2,498.36