Finding the Fourth Proportional to 23,658.27, 35,336.58 and 21,403.35

Step by Step Solution

1. Step 1: Write the proportion equation
   23,658.27 : 35,336.58 = 21,403.35 : x
2. Step 2: Convert to fraction form
   23,658.27/35,336.58 = 21,403.35/x
3. Step 3: Cross multiply
   23,658.27x = 35,336.58 × 21,403.35
4. Step 4: Simplify right side
   23,658.27x = 756,321,189.54
5. Step 5: Solve for x
   x = 756,321,189.54/23,658.27
6. Step 6: Final answer
   x = 31,968.58