Finding the Fourth Proportional to 1,688.42, 2,532.72 and 958.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688.42 : 2,532.72 = 958.52 : x
2. Step 2: Convert to fraction form
   1,688.42/2,532.72 = 958.52/x
3. Step 3: Cross multiply
   1,688.42x = 2,532.72 × 958.52
4. Step 4: Simplify right side
   1,688.42x = 2,427,662.77
5. Step 5: Solve for x
   x = 2,427,662.77/1,688.42
6. Step 6: Final answer
   x = 1,437.83