Finding the Fourth Proportional to 52,238.37, 72,086.97 and 28,364.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,238.37 : 72,086.97 = 28,364.52 : x
2. Step 2: Convert to fraction form
   52,238.37/72,086.97 = 28,364.52/x
3. Step 3: Cross multiply
   52,238.37x = 72,086.97 × 28,364.52
4. Step 4: Simplify right side
   52,238.37x = 2,044,712,302.30
5. Step 5: Solve for x
   x = 2,044,712,302.30/52,238.37
6. Step 6: Final answer
   x = 39,141.96