Finding the Fourth Proportional to 65,443.73, 90,316.14 and 49,282.10

Step by Step Solution

1. Step 1: Write the proportion equation
   65,443.73 : 90,316.14 = 49,282.10 : x
2. Step 2: Convert to fraction form
   65,443.73/90,316.14 = 49,282.10/x
3. Step 3: Cross multiply
   65,443.73x = 90,316.14 × 49,282.10
4. Step 4: Simplify right side
   65,443.73x = 4,450,969,043.09
5. Step 5: Solve for x
   x = 4,450,969,043.09/65,443.73
6. Step 6: Final answer
   x = 68,012.15