Finding the Fourth Proportional to 85,801.68, 118,401.48 and 49,997.52

Step by Step Solution

1. Step 1: Write the proportion equation
   85,801.68 : 118,401.48 = 49,997.52 : x
2. Step 2: Convert to fraction form
   85,801.68/118,401.48 = 49,997.52/x
3. Step 3: Cross multiply
   85,801.68x = 118,401.48 × 49,997.52
4. Step 4: Simplify right side
   85,801.68x = 5,919,780,364.33
5. Step 5: Solve for x
   x = 5,919,780,364.33/85,801.68
6. Step 6: Final answer
   x = 68,993.76