Finding the Fourth Proportional to 52,915.82, 73,020.69 and 30,251.21

Step by Step Solution

1. Step 1: Write the proportion equation
   52,915.82 : 73,020.69 = 30,251.21 : x
2. Step 2: Convert to fraction form
   52,915.82/73,020.69 = 30,251.21/x
3. Step 3: Cross multiply
   52,915.82x = 73,020.69 × 30,251.21
4. Step 4: Simplify right side
   52,915.82x = 2,208,963,862.43
5. Step 5: Solve for x
   x = 2,208,963,862.43/52,915.82
6. Step 6: Final answer
   x = 41,744.87