Finding the Fourth Proportional to 32,836.27, 45,332.72 and 21,690.67

Step by Step Solution

1. Step 1: Write the proportion equation
   32,836.27 : 45,332.72 = 21,690.67 : x
2. Step 2: Convert to fraction form
   32,836.27/45,332.72 = 21,690.67/x
3. Step 3: Cross multiply
   32,836.27x = 45,332.72 × 21,690.67
4. Step 4: Simplify right side
   32,836.27x = 983,297,069.72
5. Step 5: Solve for x
   x = 983,297,069.72/32,836.27
6. Step 6: Final answer
   x = 29,945.46