Finding the Fourth Proportional to 85,730.82, 118,305.86 and 47,488.83

Step by Step Solution

1. Step 1: Write the proportion equation
   85,730.82 : 118,305.86 = 47,488.83 : x
2. Step 2: Convert to fraction form
   85,730.82/118,305.86 = 47,488.83/x
3. Step 3: Cross multiply
   85,730.82x = 118,305.86 × 47,488.83
4. Step 4: Simplify right side
   85,730.82x = 5,618,206,636.10
5. Step 5: Solve for x
   x = 5,618,206,636.10/85,730.82
6. Step 6: Final answer
   x = 65,533.10