Finding the Fourth Proportional to 3,069.56, 4,236.00 and 1,672.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,069.56 : 4,236.00 = 1,672.31 : x
2. Step 2: Convert to fraction form
   3,069.56/4,236.00 = 1,672.31/x
3. Step 3: Cross multiply
   3,069.56x = 4,236.00 × 1,672.31
4. Step 4: Simplify right side
   3,069.56x = 7,083,909.48
5. Step 5: Solve for x
   x = 7,083,909.48/3,069.56
6. Step 6: Final answer
   x = 2,307.79