Finding the Fourth Proportional to 2,432.79, 3,352.56 and 1,685.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,432.79 : 3,352.56 = 1,685.34 : x
2. Step 2: Convert to fraction form
   2,432.79/3,352.56 = 1,685.34/x
3. Step 3: Cross multiply
   2,432.79x = 3,352.56 × 1,685.34
4. Step 4: Simplify right side
   2,432.79x = 5,650,203.47
5. Step 5: Solve for x
   x = 5,650,203.47/2,432.79
6. Step 6: Final answer
   x = 2,322.52