Finding the Fourth Proportional to 85,554.72, 118,062 and 47,311.86

Step by Step Solution

1. Step 1: Write the proportion equation
   85,554.72 : 118,062 = 47,311.86 : x
2. Step 2: Convert to fraction form
   85,554.72/118,062 = 47,311.86/x
3. Step 3: Cross multiply
   85,554.72x = 118,062 × 47,311.86
4. Step 4: Simplify right side
   85,554.72x = 5,585,732,815.32
5. Step 5: Solve for x
   x = 5,585,732,815.32/85,554.72
6. Step 6: Final answer
   x = 65,288.42