Finding the Fourth Proportional to 50,188.65, 69,086.47 and 43,379.55

Step by Step Solution

1. Step 1: Write the proportion equation
   50,188.65 : 69,086.47 = 43,379.55 : x
2. Step 2: Convert to fraction form
   50,188.65/69,086.47 = 43,379.55/x
3. Step 3: Cross multiply
   50,188.65x = 69,086.47 × 43,379.55
4. Step 4: Simplify right side
   50,188.65x = 2,996,939,979.69
5. Step 5: Solve for x
   x = 2,996,939,979.69/50,188.65
6. Step 6: Final answer
   x = 59,713.50