Finding the Fourth Proportional to 52,898.52, 72,998.46 and 28,698.42

Step by Step Solution

1. Step 1: Write the proportion equation
   52,898.52 : 72,998.46 = 28,698.42 : x
2. Step 2: Convert to fraction form
   52,898.52/72,998.46 = 28,698.42/x
3. Step 3: Cross multiply
   52,898.52x = 72,998.46 × 28,698.42
4. Step 4: Simplify right side
   52,898.52x = 2,094,940,464.43
5. Step 5: Solve for x
   x = 2,094,940,464.43/52,898.52
6. Step 6: Final answer
   x = 39,603.01