Finding the Fourth Proportional to 2,434.96, 3,360.52 and 1,688.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.96 : 3,360.52 = 1,688.72 : x
2. Step 2: Convert to fraction form
   2,434.96/3,360.52 = 1,688.72/x
3. Step 3: Cross multiply
   2,434.96x = 3,360.52 × 1,688.72
4. Step 4: Simplify right side
   2,434.96x = 5,674,977.33
5. Step 5: Solve for x
   x = 5,674,977.33/2,434.96
6. Step 6: Final answer
   x = 2,330.62