Finding the Fourth Proportional to 32,612, 45,005.22 and 19,865.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,612 : 45,005.22 = 19,865.72 : x
2. Step 2: Convert to fraction form
   32,612/45,005.22 = 19,865.72/x
3. Step 3: Cross multiply
   32,612x = 45,005.22 × 19,865.72
4. Step 4: Simplify right side
   32,612x = 894,061,099.06
5. Step 5: Solve for x
   x = 894,061,099.06/32,612
6. Step 6: Final answer
   x = 27,415.10