Finding the Fourth Proportional to 52,214.37, 72,053.89 and 28,340.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,214.37 : 72,053.89 = 28,340.53 : x
2. Step 2: Convert to fraction form
   52,214.37/72,053.89 = 28,340.53/x
3. Step 3: Cross multiply
   52,214.37x = 72,053.89 × 28,340.53
4. Step 4: Simplify right side
   52,214.37x = 2,042,044,929.19
5. Step 5: Solve for x
   x = 2,042,044,929.19/52,214.37
6. Step 6: Final answer
   x = 39,108.87