Finding the Fourth Proportional to 85,648.36, 118,185.49 and 47,401.83

Step by Step Solution

1. Step 1: Write the proportion equation
   85,648.36 : 118,185.49 = 47,401.83 : x
2. Step 2: Convert to fraction form
   85,648.36/118,185.49 = 47,401.83/x
3. Step 3: Cross multiply
   85,648.36x = 118,185.49 × 47,401.83
4. Step 4: Simplify right side
   85,648.36x = 5,602,208,505.45
5. Step 5: Solve for x
   x = 5,602,208,505.45/85,648.36
6. Step 6: Final answer
   x = 65,409.41