Finding the Fourth Proportional to 85,206.75, 117,585.72 and 49,417.98

Step by Step Solution

1. Step 1: Write the proportion equation
   85,206.75 : 117,585.72 = 49,417.98 : x
2. Step 2: Convert to fraction form
   85,206.75/117,585.72 = 49,417.98/x
3. Step 3: Cross multiply
   85,206.75x = 117,585.72 × 49,417.98
4. Step 4: Simplify right side
   85,206.75x = 5,810,848,759.25
5. Step 5: Solve for x
   x = 5,810,848,759.25/85,206.75
6. Step 6: Final answer
   x = 68,197.05