Finding the Fourth Proportional to 50,388.24, 69,551.72 and 31,513.36

Step by Step Solution

1. Step 1: Write the proportion equation
   50,388.24 : 69,551.72 = 31,513.36 : x
2. Step 2: Convert to fraction form
   50,388.24/69,551.72 = 31,513.36/x
3. Step 3: Cross multiply
   50,388.24x = 69,551.72 × 31,513.36
4. Step 4: Simplify right side
   50,388.24x = 2,191,808,390.98
5. Step 5: Solve for x
   x = 2,191,808,390.98/50,388.24
6. Step 6: Final answer
   x = 43,498.41