Finding the Fourth Proportional to 52,855, 72,942.11 and 28,982.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,855 : 72,942.11 = 28,982.59 : x
2. Step 2: Convert to fraction form
   52,855/72,942.11 = 28,982.59/x
3. Step 3: Cross multiply
   52,855x = 72,942.11 × 28,982.59
4. Step 4: Simplify right side
   52,855x = 2,114,051,122.95
5. Step 5: Solve for x
   x = 2,114,051,122.95/52,855
6. Step 6: Final answer
   x = 39,997.18