Finding the Fourth Proportional to 85,144.69, 117,503.32 and 47,418.94

Step by Step Solution

1. Step 1: Write the proportion equation
   85,144.69 : 117,503.32 = 47,418.94 : x
2. Step 2: Convert to fraction form
   85,144.69/117,503.32 = 47,418.94/x
3. Step 3: Cross multiply
   85,144.69x = 117,503.32 × 47,418.94
4. Step 4: Simplify right side
   85,144.69x = 5,571,882,880.88
5. Step 5: Solve for x
   x = 5,571,882,880.88/85,144.69
6. Step 6: Final answer
   x = 65,440.17