Finding the Fourth Proportional to 50,487.57, 69,672.84 and 29,279.13

Step by Step Solution

1. Step 1: Write the proportion equation
   50,487.57 : 69,672.84 = 29,279.13 : x
2. Step 2: Convert to fraction form
   50,487.57/69,672.84 = 29,279.13/x
3. Step 3: Cross multiply
   50,487.57x = 69,672.84 × 29,279.13
4. Step 4: Simplify right side
   50,487.57x = 2,039,960,139.83
5. Step 5: Solve for x
   x = 2,039,960,139.83/50,487.57
6. Step 6: Final answer
   x = 40,405.20