Finding the Fourth Proportional to 85,355.60, 117,790.83 and 47,629.82

Step by Step Solution

1. Step 1: Write the proportion equation
   85,355.60 : 117,790.83 = 47,629.82 : x
2. Step 2: Convert to fraction form
   85,355.60/117,790.83 = 47,629.82/x
3. Step 3: Cross multiply
   85,355.60x = 117,790.83 × 47,629.82
4. Step 4: Simplify right side
   85,355.60x = 5,610,356,030.55
5. Step 5: Solve for x
   x = 5,610,356,030.55/85,355.60
6. Step 6: Final answer
   x = 65,729.21