Finding the Fourth Proportional to 85,118.27, 117,483.90 and 49,302.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,118.27 : 117,483.90 = 49,302.50 : x
2. Step 2: Convert to fraction form
   85,118.27/117,483.90 = 49,302.50/x
3. Step 3: Cross multiply
   85,118.27x = 117,483.90 × 49,302.50
4. Step 4: Simplify right side
   85,118.27x = 5,792,249,979.75
5. Step 5: Solve for x
   x = 5,792,249,979.75/85,118.27
6. Step 6: Final answer
   x = 68,049.43