Finding the Fourth Proportional to 1,688.35, 2,327.37 and 1,314.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688.35 : 2,327.37 = 1,314.67 : x
2. Step 2: Convert to fraction form
   1,688.35/2,327.37 = 1,314.67/x
3. Step 3: Cross multiply
   1,688.35x = 2,327.37 × 1,314.67
4. Step 4: Simplify right side
   1,688.35x = 3,059,723.52
5. Step 5: Solve for x
   x = 3,059,723.52/1,688.35
6. Step 6: Final answer
   x = 1,812.26