Finding the Fourth Proportional to 1,361.59, 1,878.96 and 740.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.59 : 1,878.96 = 740.59 : x
2. Step 2: Convert to fraction form
   1,361.59/1,878.96 = 740.59/x
3. Step 3: Cross multiply
   1,361.59x = 1,878.96 × 740.59
4. Step 4: Simplify right side
   1,361.59x = 1,391,538.99
5. Step 5: Solve for x
   x = 1,391,538.99/1,361.59
6. Step 6: Final answer
   x = 1,022.00