Finding the Fourth Proportional to 85,665.23, 118,216.17 and 47,422.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,665.23 : 118,216.17 = 47,422.56 : x
2. Step 2: Convert to fraction form
   85,665.23/118,216.17 = 47,422.56/x
3. Step 3: Cross multiply
   85,665.23x = 118,216.17 × 47,422.56
4. Step 4: Simplify right side
   85,665.23x = 5,606,113,414.80
5. Step 5: Solve for x
   x = 5,606,113,414.80/85,665.23
6. Step 6: Final answer
   x = 65,442.11