Finding the Fourth Proportional to 85,085.37, 117,412.53 and 49,269.15

Step by Step Solution

1. Step 1: Write the proportion equation
   85,085.37 : 117,412.53 = 49,269.15 : x
2. Step 2: Convert to fraction form
   85,085.37/117,412.53 = 49,269.15/x
3. Step 3: Cross multiply
   85,085.37x = 117,412.53 × 49,269.15
4. Step 4: Simplify right side
   85,085.37x = 5,784,815,552.45
5. Step 5: Solve for x
   x = 5,784,815,552.45/85,085.37
6. Step 6: Final answer
   x = 67,988.37