Finding the Fourth Proportional to 2,147.32, 2,962.86 and 1,362.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147.32 : 2,962.86 = 1,362.40 : x
2. Step 2: Convert to fraction form
   2,147.32/2,962.86 = 1,362.40/x
3. Step 3: Cross multiply
   2,147.32x = 2,962.86 × 1,362.40
4. Step 4: Simplify right side
   2,147.32x = 4,036,600.46
5. Step 5: Solve for x
   x = 4,036,600.46/2,147.32
6. Step 6: Final answer
   x = 1,879.83