Finding the Fourth Proportional to 32,918.27, 45,431.39 and 21,597.34

Step by Step Solution

1. Step 1: Write the proportion equation
   32,918.27 : 45,431.39 = 21,597.34 : x
2. Step 2: Convert to fraction form
   32,918.27/45,431.39 = 21,597.34/x
3. Step 3: Cross multiply
   32,918.27x = 45,431.39 × 21,597.34
4. Step 4: Simplify right side
   32,918.27x = 981,196,841.36
5. Step 5: Solve for x
   x = 981,196,841.36/32,918.27
6. Step 6: Final answer
   x = 29,807.06