Finding the Fourth Proportional to 85,758.63, 118,388.06 and 60,286.83

Step by Step Solution

1. Step 1: Write the proportion equation
   85,758.63 : 118,388.06 = 60,286.83 : x
2. Step 2: Convert to fraction form
   85,758.63/118,388.06 = 60,286.83/x
3. Step 3: Cross multiply
   85,758.63x = 118,388.06 × 60,286.83
4. Step 4: Simplify right side
   85,758.63x = 7,137,240,545.82
5. Step 5: Solve for x
   x = 7,137,240,545.82/85,758.63
6. Step 6: Final answer
   x = 83,224.75