Finding the Fourth Proportional to 85,108.50, 117,449.82 and 49,300.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,108.50 : 117,449.82 = 49,300.56 : x
2. Step 2: Convert to fraction form
   85,108.50/117,449.82 = 49,300.56/x
3. Step 3: Cross multiply
   85,108.50x = 117,449.82 × 49,300.56
4. Step 4: Simplify right side
   85,108.50x = 5,790,341,897.90
5. Step 5: Solve for x
   x = 5,790,341,897.90/85,108.50
6. Step 6: Final answer
   x = 68,034.82