Finding the Fourth Proportional to 50,653.31, 69,901.39 and 27,991.67

Step by Step Solution

1. Step 1: Write the proportion equation
   50,653.31 : 69,901.39 = 27,991.67 : x
2. Step 2: Convert to fraction form
   50,653.31/69,901.39 = 27,991.67/x
3. Step 3: Cross multiply
   50,653.31x = 69,901.39 × 27,991.67
4. Step 4: Simplify right side
   50,653.31x = 1,956,656,641.42
5. Step 5: Solve for x
   x = 1,956,656,641.42/50,653.31
6. Step 6: Final answer
   x = 38,628.41