Finding the Fourth Proportional to 50,870.01, 76,338.86 and 20,908.82

Step by Step Solution

1. Step 1: Write the proportion equation
   50,870.01 : 76,338.86 = 20,908.82 : x
2. Step 2: Convert to fraction form
   50,870.01/76,338.86 = 20,908.82/x
3. Step 3: Cross multiply
   50,870.01x = 76,338.86 × 20,908.82
4. Step 4: Simplify right side
   50,870.01x = 1,596,154,996.51
5. Step 5: Solve for x
   x = 1,596,154,996.51/50,870.01
6. Step 6: Final answer
   x = 31,377.13