Finding the Fourth Proportional to 1,359.61, 2,036.14 and 741.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.61 : 2,036.14 = 741.78 : x
2. Step 2: Convert to fraction form
   1,359.61/2,036.14 = 741.78/x
3. Step 3: Cross multiply
   1,359.61x = 2,036.14 × 741.78
4. Step 4: Simplify right side
   1,359.61x = 1,510,370.25
5. Step 5: Solve for x
   x = 1,510,370.25/1,359.61
6. Step 6: Final answer
   x = 1,110.89