Finding the Fourth Proportional to 2,978.24, 4,460.88 and 1,436

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.24 : 4,460.88 = 1,436 : x
2. Step 2: Convert to fraction form
   2,978.24/4,460.88 = 1,436/x
3. Step 3: Cross multiply
   2,978.24x = 4,460.88 × 1,436
4. Step 4: Simplify right side
   2,978.24x = 6,405,823.68
5. Step 5: Solve for x
   x = 6,405,823.68/2,978.24
6. Step 6: Final answer
   x = 2,150.88