Finding the Fourth Proportional to 53,010.98, 73,155.72 and 28,811.94

Step by Step Solution

1. Step 1: Write the proportion equation
   53,010.98 : 73,155.72 = 28,811.94 : x
2. Step 2: Convert to fraction form
   53,010.98/73,155.72 = 28,811.94/x
3. Step 3: Cross multiply
   53,010.98x = 73,155.72 × 28,811.94
4. Step 4: Simplify right side
   53,010.98x = 2,107,758,215.30
5. Step 5: Solve for x
   x = 2,107,758,215.30/53,010.98
6. Step 6: Final answer
   x = 39,760.79