Finding the Fourth Proportional to 52,808.99, 72,876.69 and 28,936.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,808.99 : 72,876.69 = 28,936.52 : x
2. Step 2: Convert to fraction form
   52,808.99/72,876.69 = 28,936.52/x
3. Step 3: Cross multiply
   52,808.99x = 72,876.69 × 28,936.52
4. Step 4: Simplify right side
   52,808.99x = 2,108,797,420.27
5. Step 5: Solve for x
   x = 2,108,797,420.27/52,808.99
6. Step 6: Final answer
   x = 39,932.55