Finding the Fourth Proportional to 32,986.71, 45,544.17 and 21,066.20

Step by Step Solution

1. Step 1: Write the proportion equation
   32,986.71 : 45,544.17 = 21,066.20 : x
2. Step 2: Convert to fraction form
   32,986.71/45,544.17 = 21,066.20/x
3. Step 3: Cross multiply
   32,986.71x = 45,544.17 × 21,066.20
4. Step 4: Simplify right side
   32,986.71x = 959,442,366.33
5. Step 5: Solve for x
   x = 959,442,366.33/32,986.71
6. Step 6: Final answer
   x = 29,085.72