Finding the Fourth Proportional to 85,196.83, 117,571.62 and 49,407.59

Step by Step Solution

1. Step 1: Write the proportion equation
   85,196.83 : 117,571.62 = 49,407.59 : x
2. Step 2: Convert to fraction form
   85,196.83/117,571.62 = 49,407.59/x
3. Step 3: Cross multiply
   85,196.83x = 117,571.62 × 49,407.59
4. Step 4: Simplify right side
   85,196.83x = 5,808,930,396.60
5. Step 5: Solve for x
   x = 5,808,930,396.60/85,196.83
6. Step 6: Final answer
   x = 68,182.48