Finding the Fourth Proportional to 85,636.56, 118,149.62 and 49,797.10

Step by Step Solution

1. Step 1: Write the proportion equation
   85,636.56 : 118,149.62 = 49,797.10 : x
2. Step 2: Convert to fraction form
   85,636.56/118,149.62 = 49,797.10/x
3. Step 3: Cross multiply
   85,636.56x = 118,149.62 × 49,797.10
4. Step 4: Simplify right side
   85,636.56x = 5,883,508,442.10
5. Step 5: Solve for x
   x = 5,883,508,442.10/85,636.56
6. Step 6: Final answer
   x = 68,703.23