Finding the Fourth Proportional to 85,563.86, 118,092.72 and 49,774.64

Step by Step Solution

1. Step 1: Write the proportion equation
   85,563.86 : 118,092.72 = 49,774.64 : x
2. Step 2: Convert to fraction form
   85,563.86/118,092.72 = 49,774.64/x
3. Step 3: Cross multiply
   85,563.86x = 118,092.72 × 49,774.64
4. Step 4: Simplify right side
   85,563.86x = 5,878,022,624.62
5. Step 5: Solve for x
   x = 5,878,022,624.62/85,563.86
6. Step 6: Final answer
   x = 68,697.49