Finding the Fourth Proportional to 85,234.59, 117,624.15 and 49,445.69

Step by Step Solution

1. Step 1: Write the proportion equation
   85,234.59 : 117,624.15 = 49,445.69 : x
2. Step 2: Convert to fraction form
   85,234.59/117,624.15 = 49,445.69/x
3. Step 3: Cross multiply
   85,234.59x = 117,624.15 × 49,445.69
4. Step 4: Simplify right side
   85,234.59x = 5,816,006,669.29
5. Step 5: Solve for x
   x = 5,816,006,669.29/85,234.59
6. Step 6: Final answer
   x = 68,235.29