Finding the Fourth Proportional to 2,434.59, 3,360.56 and 1,689.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.59 : 3,360.56 = 1,689.55 : x
2. Step 2: Convert to fraction form
   2,434.59/3,360.56 = 1,689.55/x
3. Step 3: Cross multiply
   2,434.59x = 3,360.56 × 1,689.55
4. Step 4: Simplify right side
   2,434.59x = 5,677,817.30
5. Step 5: Solve for x
   x = 5,677,817.30/2,434.59
6. Step 6: Final answer
   x = 2,332.15