Finding the Fourth Proportional to 85,333.50, 117,765.90 and 47,608.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,333.50 : 117,765.90 = 47,608.56 : x
2. Step 2: Convert to fraction form
   85,333.50/117,765.90 = 47,608.56/x
3. Step 3: Cross multiply
   85,333.50x = 117,765.90 × 47,608.56
4. Step 4: Simplify right side
   85,333.50x = 5,606,664,916.10
5. Step 5: Solve for x
   x = 5,606,664,916.10/85,333.50
6. Step 6: Final answer
   x = 65,702.98