Finding the Fourth Proportional to 1,362.58, 1,878.80 and 1,119.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.58 : 1,878.80 = 1,119.32 : x
2. Step 2: Convert to fraction form
   1,362.58/1,878.80 = 1,119.32/x
3. Step 3: Cross multiply
   1,362.58x = 1,878.80 × 1,119.32
4. Step 4: Simplify right side
   1,362.58x = 2,102,978.42
5. Step 5: Solve for x
   x = 2,102,978.42/1,362.58
6. Step 6: Final answer
   x = 1,543.38