Finding the Fourth Proportional to 1,361.56, 1,879.50 and 1,152.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.56 : 1,879.50 = 1,152.82 : x
2. Step 2: Convert to fraction form
   1,361.56/1,879.50 = 1,152.82/x
3. Step 3: Cross multiply
   1,361.56x = 1,879.50 × 1,152.82
4. Step 4: Simplify right side
   1,361.56x = 2,166,725.19
5. Step 5: Solve for x
   x = 2,166,725.19/1,361.56
6. Step 6: Final answer
   x = 1,591.35