Finding the Fourth Proportional to 85,835.61, 118,456.92 and 47,592.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,835.61 : 118,456.92 = 47,592.72 : x
2. Step 2: Convert to fraction form
   85,835.61/118,456.92 = 47,592.72/x
3. Step 3: Cross multiply
   85,835.61x = 118,456.92 × 47,592.72
4. Step 4: Simplify right side
   85,835.61x = 5,637,687,025.62
5. Step 5: Solve for x
   x = 5,637,687,025.62/85,835.61
6. Step 6: Final answer
   x = 65,680.05