Finding the Fourth Proportional to 85,072.50, 117,406.83 and 49,263.14

Step by Step Solution

1. Step 1: Write the proportion equation
   85,072.50 : 117,406.83 = 49,263.14 : x
2. Step 2: Convert to fraction form
   85,072.50/117,406.83 = 49,263.14/x
3. Step 3: Cross multiply
   85,072.50x = 117,406.83 × 49,263.14
4. Step 4: Simplify right side
   85,072.50x = 5,783,829,103.25
5. Step 5: Solve for x
   x = 5,783,829,103.25/85,072.50
6. Step 6: Final answer
   x = 67,987.06