Finding the Fourth Proportional to 1,333.53, 1,840.50 and 961.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.53 : 1,840.50 = 961.74 : x
2. Step 2: Convert to fraction form
   1,333.53/1,840.50 = 961.74/x
3. Step 3: Cross multiply
   1,333.53x = 1,840.50 × 961.74
4. Step 4: Simplify right side
   1,333.53x = 1,770,082.47
5. Step 5: Solve for x
   x = 1,770,082.47/1,333.53
6. Step 6: Final answer
   x = 1,327.37