Finding the Fourth Proportional to 85,063.50, 117,379.98 and 49,255.92

Step by Step Solution

1. Step 1: Write the proportion equation
   85,063.50 : 117,379.98 = 49,255.92 : x
2. Step 2: Convert to fraction form
   85,063.50/117,379.98 = 49,255.92/x
3. Step 3: Cross multiply
   85,063.50x = 117,379.98 × 49,255.92
4. Step 4: Simplify right side
   85,063.50x = 5,781,658,904.48
5. Step 5: Solve for x
   x = 5,781,658,904.48/85,063.50
6. Step 6: Final answer
   x = 67,968.74