Finding the Fourth Proportional to 52,855.38, 72,939.84 and 28,982

Step by Step Solution

1. Step 1: Write the proportion equation
   52,855.38 : 72,939.84 = 28,982 : x
2. Step 2: Convert to fraction form
   52,855.38/72,939.84 = 28,982/x
3. Step 3: Cross multiply
   52,855.38x = 72,939.84 × 28,982
4. Step 4: Simplify right side
   52,855.38x = 2,113,942,442.88
5. Step 5: Solve for x
   x = 2,113,942,442.88/52,855.38
6. Step 6: Final answer
   x = 39,994.84