Finding the Fourth Proportional to 32,613, 45,006.60 and 19,866.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,613 : 45,006.60 = 19,866.72 : x
2. Step 2: Convert to fraction form
   32,613/45,006.60 = 19,866.72/x
3. Step 3: Cross multiply
   32,613x = 45,006.60 × 19,866.72
4. Step 4: Simplify right side
   32,613x = 894,133,520.35
5. Step 5: Solve for x
   x = 894,133,520.35/32,613
6. Step 6: Final answer
   x = 27,416.48