Finding the Fourth Proportional to 1,351.75, 1,864.77 and 958.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,351.75 : 1,864.77 = 958.99 : x
2. Step 2: Convert to fraction form
   1,351.75/1,864.77 = 958.99/x
3. Step 3: Cross multiply
   1,351.75x = 1,864.77 × 958.99
4. Step 4: Simplify right side
   1,351.75x = 1,788,295.78
5. Step 5: Solve for x
   x = 1,788,295.78/1,351.75
6. Step 6: Final answer
   x = 1,322.95