Finding the Fourth Proportional to 85,632.56, 118,144.10 and 49,793.10

Step by Step Solution

1. Step 1: Write the proportion equation
   85,632.56 : 118,144.10 = 49,793.10 : x
2. Step 2: Convert to fraction form
   85,632.56/118,144.10 = 49,793.10/x
3. Step 3: Cross multiply
   85,632.56x = 118,144.10 × 49,793.10
4. Step 4: Simplify right side
   85,632.56x = 5,882,760,985.71
5. Step 5: Solve for x
   x = 5,882,760,985.71/85,632.56
6. Step 6: Final answer
   x = 68,697.71