Finding the Fourth Proportional to 33,144.28, 49,643.50 and 21,421.96

Step by Step Solution

1. Step 1: Write the proportion equation
   33,144.28 : 49,643.50 = 21,421.96 : x
2. Step 2: Convert to fraction form
   33,144.28/49,643.50 = 21,421.96/x
3. Step 3: Cross multiply
   33,144.28x = 49,643.50 × 21,421.96
4. Step 4: Simplify right side
   33,144.28x = 1,063,461,071.26
5. Step 5: Solve for x
   x = 1,063,461,071.26/33,144.28
6. Step 6: Final answer
   x = 32,085.81