Finding the Fourth Proportional to 32,492.20, 48,713.82 and 12,768.04

Step by Step Solution

1. Step 1: Write the proportion equation
   32,492.20 : 48,713.82 = 12,768.04 : x
2. Step 2: Convert to fraction form
   32,492.20/48,713.82 = 12,768.04/x
3. Step 3: Cross multiply
   32,492.20x = 48,713.82 × 12,768.04
4. Step 4: Simplify right side
   32,492.20x = 621,980,002.31
5. Step 5: Solve for x
   x = 621,980,002.31/32,492.20
6. Step 6: Final answer
   x = 19,142.44