Finding the Fourth Proportional to 53,012.52, 73,155.96 and 28,812.42

Step by Step Solution

1. Step 1: Write the proportion equation
   53,012.52 : 73,155.96 = 28,812.42 : x
2. Step 2: Convert to fraction form
   53,012.52/73,155.96 = 28,812.42/x
3. Step 3: Cross multiply
   53,012.52x = 73,155.96 × 28,812.42
4. Step 4: Simplify right side
   53,012.52x = 2,107,800,245.02
5. Step 5: Solve for x
   x = 2,107,800,245.02/53,012.52
6. Step 6: Final answer
   x = 39,760.42