Finding the Fourth Proportional to 33,148.68, 45,721.89 and 21,814.56

Step by Step Solution

1. Step 1: Write the proportion equation
   33,148.68 : 45,721.89 = 21,814.56 : x
2. Step 2: Convert to fraction form
   33,148.68/45,721.89 = 21,814.56/x
3. Step 3: Cross multiply
   33,148.68x = 45,721.89 × 21,814.56
4. Step 4: Simplify right side
   33,148.68x = 997,402,912.72
5. Step 5: Solve for x
   x = 997,402,912.72/33,148.68
6. Step 6: Final answer
   x = 30,088.77