Finding the Fourth Proportional to 85,732.82, 118,308.61 and 47,490.83

Step by Step Solution

1. Step 1: Write the proportion equation
   85,732.82 : 118,308.61 = 47,490.83 : x
2. Step 2: Convert to fraction form
   85,732.82/118,308.61 = 47,490.83/x
3. Step 3: Cross multiply
   85,732.82x = 118,308.61 × 47,490.83
4. Step 4: Simplify right side
   85,732.82x = 5,618,574,085.05
5. Step 5: Solve for x
   x = 5,618,574,085.05/85,732.82
6. Step 6: Final answer
   x = 65,535.86