Finding the Fourth Proportional to 32,705.28, 45,351.54 and 31,597.20

Step by Step Solution

1. Step 1: Write the proportion equation
   32,705.28 : 45,351.54 = 31,597.20 : x
2. Step 2: Convert to fraction form
   32,705.28/45,351.54 = 31,597.20/x
3. Step 3: Cross multiply
   32,705.28x = 45,351.54 × 31,597.20
4. Step 4: Simplify right side
   32,705.28x = 1,432,981,679.69
5. Step 5: Solve for x
   x = 1,432,981,679.69/32,705.28
6. Step 6: Final answer
   x = 43,815.00