Finding the Fourth Proportional to 52,214.32, 72,053.83 and 28,340.49

Step by Step Solution

1. Step 1: Write the proportion equation
   52,214.32 : 72,053.83 = 28,340.49 : x
2. Step 2: Convert to fraction form
   52,214.32/72,053.83 = 28,340.49/x
3. Step 3: Cross multiply
   52,214.32x = 72,053.83 × 28,340.49
4. Step 4: Simplify right side
   52,214.32x = 2,042,040,488.31
5. Step 5: Solve for x
   x = 2,042,040,488.31/52,214.32
6. Step 6: Final answer
   x = 39,108.82