Finding the Fourth Proportional to 32,634.72, 45,004.56 and 20,700

Step by Step Solution

1. Step 1: Write the proportion equation
   32,634.72 : 45,004.56 = 20,700 : x
2. Step 2: Convert to fraction form
   32,634.72/45,004.56 = 20,700/x
3. Step 3: Cross multiply
   32,634.72x = 45,004.56 × 20,700
4. Step 4: Simplify right side
   32,634.72x = 931,594,392
5. Step 5: Solve for x
   x = 931,594,392/32,634.72
6. Step 6: Final answer
   x = 28,546.11