Finding the Fourth Proportional to 85,382.82, 117,830.15 and 47,142.24

Step by Step Solution

1. Step 1: Write the proportion equation
   85,382.82 : 117,830.15 = 47,142.24 : x
2. Step 2: Convert to fraction form
   85,382.82/117,830.15 = 47,142.24/x
3. Step 3: Cross multiply
   85,382.82x = 117,830.15 × 47,142.24
4. Step 4: Simplify right side
   85,382.82x = 5,554,776,974.82
5. Step 5: Solve for x
   x = 5,554,776,974.82/85,382.82
6. Step 6: Final answer
   x = 65,057.31