Finding the Fourth Proportional to 85,673.85, 118,229.89 and 47,948.10

Step by Step Solution

1. Step 1: Write the proportion equation
   85,673.85 : 118,229.89 = 47,948.10 : x
2. Step 2: Convert to fraction form
   85,673.85/118,229.89 = 47,948.10/x
3. Step 3: Cross multiply
   85,673.85x = 118,229.89 × 47,948.10
4. Step 4: Simplify right side
   85,673.85x = 5,668,897,997.56
5. Step 5: Solve for x
   x = 5,668,897,997.56/85,673.85
6. Step 6: Final answer
   x = 66,168.36