Finding the Fourth Proportional to 50,279.29, 69,417.88 and 31,179.35

Step by Step Solution

1. Step 1: Write the proportion equation
   50,279.29 : 69,417.88 = 31,179.35 : x
2. Step 2: Convert to fraction form
   50,279.29/69,417.88 = 31,179.35/x
3. Step 3: Cross multiply
   50,279.29x = 69,417.88 × 31,179.35
4. Step 4: Simplify right side
   50,279.29x = 2,164,404,472.37
5. Step 5: Solve for x
   x = 2,164,404,472.37/50,279.29
6. Step 6: Final answer
   x = 43,047.64