Finding the Fourth Proportional to 50,738.94, 76,106.62 and 13,298.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,738.94 : 76,106.62 = 13,298.72 : x
2. Step 2: Convert to fraction form
   50,738.94/76,106.62 = 13,298.72/x
3. Step 3: Cross multiply
   50,738.94x = 76,106.62 × 13,298.72
4. Step 4: Simplify right side
   50,738.94x = 1,012,120,265.62
5. Step 5: Solve for x
   x = 1,012,120,265.62/50,738.94
6. Step 6: Final answer
   x = 19,947.60