Finding the Fourth Proportional to 33,266.53, 45,915.53 and 21,938.07

Step by Step Solution

1. Step 1: Write the proportion equation
   33,266.53 : 45,915.53 = 21,938.07 : x
2. Step 2: Convert to fraction form
   33,266.53/45,915.53 = 21,938.07/x
3. Step 3: Cross multiply
   33,266.53x = 45,915.53 × 21,938.07
4. Step 4: Simplify right side
   33,266.53x = 1,007,298,173.72
5. Step 5: Solve for x
   x = 1,007,298,173.72/33,266.53
6. Step 6: Final answer
   x = 30,279.63