Finding the Fourth Proportional to 32,719.15, 49,049.56 and 12,984.31

Step by Step Solution

1. Step 1: Write the proportion equation
   32,719.15 : 49,049.56 = 12,984.31 : x
2. Step 2: Convert to fraction form
   32,719.15/49,049.56 = 12,984.31/x
3. Step 3: Cross multiply
   32,719.15x = 49,049.56 × 12,984.31
4. Step 4: Simplify right side
   32,719.15x = 636,874,692.40
5. Step 5: Solve for x
   x = 636,874,692.40/32,719.15
6. Step 6: Final answer
   x = 19,464.89