Finding the Fourth Proportional to 50,840.09, 70,151.83 and 28,178.98

Step by Step Solution

1. Step 1: Write the proportion equation
   50,840.09 : 70,151.83 = 28,178.98 : x
2. Step 2: Convert to fraction form
   50,840.09/70,151.83 = 28,178.98/x
3. Step 3: Cross multiply
   50,840.09x = 70,151.83 × 28,178.98
4. Step 4: Simplify right side
   50,840.09x = 1,976,807,089.22
5. Step 5: Solve for x
   x = 1,976,807,089.22/50,840.09
6. Step 6: Final answer
   x = 38,882.84