Finding the Fourth Proportional to 53,085.69, 73,257.32 and 28,885.83

Step by Step Solution

1. Step 1: Write the proportion equation
   53,085.69 : 73,257.32 = 28,885.83 : x
2. Step 2: Convert to fraction form
   53,085.69/73,257.32 = 28,885.83/x
3. Step 3: Cross multiply
   53,085.69x = 73,257.32 × 28,885.83
4. Step 4: Simplify right side
   53,085.69x = 2,116,098,491.78
5. Step 5: Solve for x
   x = 2,116,098,491.78/53,085.69
6. Step 6: Final answer
   x = 39,861.94