Finding the Fourth Proportional to 49,073.24, 67,709.22 and 28,931.06

Step by Step Solution

1. Step 1: Write the proportion equation
   49,073.24 : 67,709.22 = 28,931.06 : x
2. Step 2: Convert to fraction form
   49,073.24/67,709.22 = 28,931.06/x
3. Step 3: Cross multiply
   49,073.24x = 67,709.22 × 28,931.06
4. Step 4: Simplify right side
   49,073.24x = 1,958,899,506.37
5. Step 5: Solve for x
   x = 1,958,899,506.37/49,073.24
6. Step 6: Final answer
   x = 39,917.88