Finding the Fourth Proportional to 85,469.48, 117,928.93 and 49,168.69

Step by Step Solution

1. Step 1: Write the proportion equation
   85,469.48 : 117,928.93 = 49,168.69 : x
2. Step 2: Convert to fraction form
   85,469.48/117,928.93 = 49,168.69/x
3. Step 3: Cross multiply
   85,469.48x = 117,928.93 × 49,168.69
4. Step 4: Simplify right side
   85,469.48x = 5,798,411,001.20
5. Step 5: Solve for x
   x = 5,798,411,001.20/85,469.48
6. Step 6: Final answer
   x = 67,841.89