Finding the Fourth Proportional to 32,150.64, 48,221.16 and 12,426.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,150.64 : 48,221.16 = 12,426.72 : x
2. Step 2: Convert to fraction form
   32,150.64/48,221.16 = 12,426.72/x
3. Step 3: Cross multiply
   32,150.64x = 48,221.16 × 12,426.72
4. Step 4: Simplify right side
   32,150.64x = 599,230,853.40
5. Step 5: Solve for x
   x = 599,230,853.40/32,150.64
6. Step 6: Final answer
   x = 18,638.22