Finding the Fourth Proportional to 50,643.33, 69,842.38 and 42,173.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,643.33 : 69,842.38 = 42,173.50 : x
2. Step 2: Convert to fraction form
   50,643.33/69,842.38 = 42,173.50/x
3. Step 3: Cross multiply
   50,643.33x = 69,842.38 × 42,173.50
4. Step 4: Simplify right side
   50,643.33x = 2,945,497,612.93
5. Step 5: Solve for x
   x = 2,945,497,612.93/50,643.33
6. Step 6: Final answer
   x = 58,161.61