Finding the Fourth Proportional to 85,550.19, 118,040.72 and 47,823.15

Step by Step Solution

1. Step 1: Write the proportion equation
   85,550.19 : 118,040.72 = 47,823.15 : x
2. Step 2: Convert to fraction form
   85,550.19/118,040.72 = 47,823.15/x
3. Step 3: Cross multiply
   85,550.19x = 118,040.72 × 47,823.15
4. Step 4: Simplify right side
   85,550.19x = 5,645,078,819.55
5. Step 5: Solve for x
   x = 5,645,078,819.55/85,550.19
6. Step 6: Final answer
   x = 65,985.58