Finding the Fourth Proportional to 85,071.69, 117,405.71 and 49,262.33

Step by Step Solution

1. Step 1: Write the proportion equation
   85,071.69 : 117,405.71 = 49,262.33 : x
2. Step 2: Convert to fraction form
   85,071.69/117,405.71 = 49,262.33/x
3. Step 3: Cross multiply
   85,071.69x = 117,405.71 × 49,262.33
4. Step 4: Simplify right side
   85,071.69x = 5,783,678,290.08
5. Step 5: Solve for x
   x = 5,783,678,290.08/85,071.69
6. Step 6: Final answer
   x = 67,985.94