Finding the Fourth Proportional to 1,333.48, 1,837.61 and 959.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.48 : 1,837.61 = 959.80 : x
2. Step 2: Convert to fraction form
   1,333.48/1,837.61 = 959.80/x
3. Step 3: Cross multiply
   1,333.48x = 1,837.61 × 959.80
4. Step 4: Simplify right side
   1,333.48x = 1,763,733.28
5. Step 5: Solve for x
   x = 1,763,733.28/1,333.48
6. Step 6: Final answer
   x = 1,322.65