Finding the Fourth Proportional to 50,665.48, 69,942.90 and 35,590.12

Step by Step Solution

1. Step 1: Write the proportion equation
   50,665.48 : 69,942.90 = 35,590.12 : x
2. Step 2: Convert to fraction form
   50,665.48/69,942.90 = 35,590.12/x
3. Step 3: Cross multiply
   50,665.48x = 69,942.90 × 35,590.12
4. Step 4: Simplify right side
   50,665.48x = 2,489,276,204.15
5. Step 5: Solve for x
   x = 2,489,276,204.15/50,665.48
6. Step 6: Final answer
   x = 49,131.60